diff --git a/package-lock.json b/package-lock.json
index 56b725b0..d958204d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1539,12 +1539,6 @@
       "integrity": "sha512-TkuxA4UCOvxuDK6NZYXCalszEzj+TLszyASooky+i742l9TqsOdYCMJJupxRic61hwquNtppB3hgcuq9SVSH1Q==",
       "dev": true
     },
-    "array-differ": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
-      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
-      "dev": true
-    },
     "array-each": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
@@ -2728,12 +2722,6 @@
         }
       }
     },
-    "beeper": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/beeper/-/beeper-1.1.1.tgz",
-      "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=",
-      "dev": true
-    },
     "binary-extensions": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
@@ -3424,9 +3412,9 @@
       }
     },
     "commander": {
-      "version": "2.13.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
-      "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA==",
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
       "dev": true
     },
     "component-emitter": {
@@ -3585,12 +3573,6 @@
         "type": "^1.0.1"
       }
     },
-    "dateformat": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/dateformat/-/dateformat-2.2.0.tgz",
-      "integrity": "sha1-QGXiATz5+5Ft39gu+1Bq1MZ2kGI=",
-      "dev": true
-    },
     "debug": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -3854,41 +3836,6 @@
         "is-obj": "^1.0.0"
       }
     },
-    "duplexer2": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
-      "integrity": "sha1-xhTc9n4vsUmVqRcR5aYX6KYKMds=",
-      "dev": true,
-      "requires": {
-        "readable-stream": "~1.1.9"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.1.14",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        }
-      }
-    },
     "duplexer3": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
@@ -5975,92 +5922,42 @@
       }
     },
     "gulp-uglify-es": {
-      "version": "0.1.11",
-      "resolved": "https://registry.npmjs.org/gulp-uglify-es/-/gulp-uglify-es-0.1.11.tgz",
-      "integrity": "sha512-bDy4hnDU1XRyyH+u0SkHBxXIOc6FCZRpA/3saGEyXUKU6KOzruVkt71JTmBy5M1mzHAsira2BSMxeQmAIXKlkw==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-uglify-es/-/gulp-uglify-es-3.0.0.tgz",
+      "integrity": "sha512-dQ3czMFFojNgCajcrYl0oa98+YayaQ8kXRdaacpZRZ3iw2sdVURfdt8y8Ki1ogZGQqw8BUawnB7V6NkanxqnDg==",
       "dev": true,
       "requires": {
-        "gulp-util": "^3.0.8",
-        "o-stream": "^0.2.2",
-        "uglify-es": "^3.2.0",
+        "o-stream": "^0.3.0",
+        "plugin-error": "^1.0.1",
+        "terser": "^5.7.1",
+        "vinyl": "^2.2.1",
         "vinyl-sourcemaps-apply": "^0.2.1"
-      }
-    },
-    "gulp-util": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/gulp-util/-/gulp-util-3.0.8.tgz",
-      "integrity": "sha1-AFTh50RQLifATBh8PsxQXdVLu08=",
-      "dev": true,
-      "requires": {
-        "array-differ": "^1.0.0",
-        "array-uniq": "^1.0.2",
-        "beeper": "^1.0.0",
-        "chalk": "^1.0.0",
-        "dateformat": "^2.0.0",
-        "fancy-log": "^1.1.0",
-        "gulplog": "^1.0.0",
-        "has-gulplog": "^0.1.0",
-        "lodash._reescape": "^3.0.0",
-        "lodash._reevaluate": "^3.0.0",
-        "lodash._reinterpolate": "^3.0.0",
-        "lodash.template": "^3.0.0",
-        "minimist": "^1.1.0",
-        "multipipe": "^0.1.2",
-        "object-assign": "^3.0.0",
-        "replace-ext": "0.0.1",
-        "through2": "^2.0.0",
-        "vinyl": "^0.5.0"
       },
       "dependencies": {
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        },
-        "clone": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-          "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=",
-          "dev": true
-        },
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+        "clone-stats": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/clone-stats/-/clone-stats-1.0.0.tgz",
+          "integrity": "sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=",
           "dev": true
         },
-        "object-assign": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
-          "integrity": "sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I=",
+        "replace-ext": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-1.0.1.tgz",
+          "integrity": "sha512-yD5BHCe7quCgBph4rMQ+0KkIRKwWCrHDOX1p1Gp6HwjPM5kVoCdKGNhN7ydqqsX6lJEnQDKZ/tFMiEdQ1dvPEw==",
           "dev": true
         },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        },
         "vinyl": {
-          "version": "0.5.3",
-          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.5.3.tgz",
-          "integrity": "sha1-sEVbOPxeDPMNQyUTLkYZcMIJHN4=",
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.1.tgz",
+          "integrity": "sha512-LII3bXRFBZLlezoG5FfZVcXflZgWP/4dCwKtxd5ky9+LOtM4CS3bIRQsmR1KMnMW07jpE8fqR2lcxPZ+8sJIcw==",
           "dev": true,
           "requires": {
-            "clone": "^1.0.0",
-            "clone-stats": "^0.0.1",
-            "replace-ext": "0.0.1"
+            "clone": "^2.1.1",
+            "clone-buffer": "^1.0.0",
+            "clone-stats": "^1.0.0",
+            "cloneable-readable": "^1.0.0",
+            "remove-trailing-separator": "^1.0.1",
+            "replace-ext": "^1.0.0"
           }
         }
       }
@@ -6098,15 +5995,6 @@
       "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
       "dev": true
     },
-    "has-gulplog": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/has-gulplog/-/has-gulplog-0.1.0.tgz",
-      "integrity": "sha1-ZBTIKRNpfaUVkDl9r7EvIpZ4Ec4=",
-      "dev": true,
-      "requires": {
-        "sparkles": "^1.0.0"
-      }
-    },
     "has-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.0.tgz",
@@ -6983,18 +6871,6 @@
       "integrity": "sha1-G8ZhYU2qf8MRt9A78WgGoCE8+CE=",
       "dev": true
     },
-    "lodash._basetostring": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz",
-      "integrity": "sha1-0YYdh3+CSlL2aYMtyvPuFVZqB9U=",
-      "dev": true
-    },
-    "lodash._basevalues": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz",
-      "integrity": "sha1-W3dXYoAr3j0yl1A+JjAIIP32Ybc=",
-      "dev": true
-    },
     "lodash._getnative": {
       "version": "3.9.1",
       "resolved": "https://registry.npmjs.org/lodash._getnative/-/lodash._getnative-3.9.1.tgz",
@@ -7007,30 +6883,12 @@
       "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
       "dev": true
     },
-    "lodash._reescape": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/lodash._reescape/-/lodash._reescape-3.0.0.tgz",
-      "integrity": "sha1-Kx1vXf4HyKNVdT5fJ/rH8c3hYWo=",
-      "dev": true
-    },
-    "lodash._reevaluate": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/lodash._reevaluate/-/lodash._reevaluate-3.0.0.tgz",
-      "integrity": "sha1-WLx0xAZklTrgsSTYBpltrKQx4u0=",
-      "dev": true
-    },
     "lodash._reinterpolate": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
       "integrity": "sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=",
       "dev": true
     },
-    "lodash._root": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/lodash._root/-/lodash._root-3.0.1.tgz",
-      "integrity": "sha1-+6HEUkwZ7ppfgTa0YJ8BfPTe1pI=",
-      "dev": true
-    },
     "lodash.camelcase": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
@@ -7048,15 +6906,6 @@
         "lodash._isiterateecall": "^3.0.0"
       }
     },
-    "lodash.escape": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/lodash.escape/-/lodash.escape-3.2.0.tgz",
-      "integrity": "sha1-mV7g3BjBtIzJLv+ucaEKq1tIdpg=",
-      "dev": true,
-      "requires": {
-        "lodash._root": "^3.0.0"
-      }
-    },
     "lodash.isarguments": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
@@ -7098,12 +6947,6 @@
       "integrity": "sha1-U8y6BH0G4VjTEfRdpiX05J5vFm4=",
       "dev": true
     },
-    "lodash.restparam": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/lodash.restparam/-/lodash.restparam-3.6.1.tgz",
-      "integrity": "sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=",
-      "dev": true
-    },
     "lodash.some": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/lodash.some/-/lodash.some-4.6.0.tgz",
@@ -7116,33 +6959,6 @@
       "integrity": "sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=",
       "dev": true
     },
-    "lodash.template": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-3.6.2.tgz",
-      "integrity": "sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=",
-      "dev": true,
-      "requires": {
-        "lodash._basecopy": "^3.0.0",
-        "lodash._basetostring": "^3.0.0",
-        "lodash._basevalues": "^3.0.0",
-        "lodash._isiterateecall": "^3.0.0",
-        "lodash._reinterpolate": "^3.0.0",
-        "lodash.escape": "^3.0.0",
-        "lodash.keys": "^3.0.0",
-        "lodash.restparam": "^3.0.0",
-        "lodash.templatesettings": "^3.0.0"
-      }
-    },
-    "lodash.templatesettings": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz",
-      "integrity": "sha1-+zB4RHU7Zrnxr6VOJix0UwfbqOU=",
-      "dev": true,
-      "requires": {
-        "lodash._reinterpolate": "^3.0.0",
-        "lodash.escape": "^3.0.0"
-      }
-    },
     "logform": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/logform/-/logform-1.10.0.tgz",
@@ -7836,15 +7652,6 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
-    "multipipe": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/multipipe/-/multipipe-0.1.2.tgz",
-      "integrity": "sha1-Ko8t33Du1WTf8tV/HhoTfZ8FB4s=",
-      "dev": true,
-      "requires": {
-        "duplexer2": "0.0.2"
-      }
-    },
     "mute-stdout": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mute-stdout/-/mute-stdout-1.0.1.tgz",
@@ -7997,9 +7804,9 @@
       "dev": true
     },
     "o-stream": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/o-stream/-/o-stream-0.2.2.tgz",
-      "integrity": "sha512-V3j76KU3g/Gyl8rpdi2z72rn5zguMvTCQgAXfBe3pxEefKqXmOUOD7mvx/mNjykdxGqDVfpSoo8r+WdrkWg/1Q==",
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/o-stream/-/o-stream-0.3.0.tgz",
+      "integrity": "sha512-gbzl6qCJZ609x/M2t25HqCYQagFzWYCtQ84jcuObGr+V8D1Am4EVubkF4J+XFs6ukfiv96vNeiBb8FrbbMZYiQ==",
       "dev": true
     },
     "object-assign": {
@@ -23064,6 +22871,43 @@
         }
       }
     },
+    "terser": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.7.1.tgz",
+      "integrity": "sha512-b3e+d5JbHAe/JSjwsC3Zn55wsBIM7AsHLjKxT31kGCldgbpFePaFo+PiddtO6uwRZWRw7sPXmAN8dTW61xmnSg==",
+      "dev": true,
+      "requires": {
+        "commander": "^2.20.0",
+        "source-map": "~0.7.2",
+        "source-map-support": "~0.5.19"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.7.3",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+          "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+          "dev": true
+        },
+        "source-map-support": {
+          "version": "0.5.19",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
+          "integrity": "sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==",
+          "dev": true,
+          "requires": {
+            "buffer-from": "^1.0.0",
+            "source-map": "^0.6.0"
+          },
+          "dependencies": {
+            "source-map": {
+              "version": "0.6.1",
+              "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+              "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+              "dev": true
+            }
+          }
+        }
+      }
+    },
     "text-hex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
@@ -23274,24 +23118,6 @@
       "integrity": "sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw==",
       "dev": true
     },
-    "uglify-es": {
-      "version": "3.3.9",
-      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
-      "integrity": "sha512-r+MU0rfv4L/0eeW3xZrd16t4NZfK8Ld4SWVglYBb7ez5uXFWHuVRs6xCTrf1yirs9a4j4Y27nn7SRfO6v67XsQ==",
-      "dev": true,
-      "requires": {
-        "commander": "~2.13.0",
-        "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
-      }
-    },
     "unc-path-regex": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
diff --git a/package.json b/package.json
index e4aeaab3..afce2669 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "gulp-if": "^2.0.2",
     "gulp-insert": "^0.5.0",
     "gulp-rollup": "^2.16.2",
-    "gulp-uglify-es": "^0.1.11",
+    "gulp-uglify-es": "^3.0.0",
     "merge-stream": "^2.0.0",
     "node-glob": "^1.2.0",
     "polymer-build": "^3.1.4",