diff --git a/package-lock.json b/package-lock.json
index 38b4cb6..22b4fe5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -149,7 +149,8 @@
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       "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-0.4.0.tgz",
-      "integrity": "sha512-4yAHDC52TEMCNcMzVC8WlqnKKKq+Ssi2lXoUg9zWWkZ6U6tq9ZBRYLHHCRdfU+EU9YJsVmivwGcKYCjRGjnf4Q=="
+      "integrity": "sha512-4yAHDC52TEMCNcMzVC8WlqnKKKq+Ssi2lXoUg9zWWkZ6U6tq9ZBRYLHHCRdfU+EU9YJsVmivwGcKYCjRGjnf4Q==",
+      "optional": true
     },
     "@google-cloud/storage": {
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@@ -888,7 +889,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
       "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
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@@ -1057,7 +1058,8 @@
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       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
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+      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
+      "optional": true
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@@ -1420,7 +1422,7 @@
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-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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@@ -1509,7 +1511,8 @@
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+              "bundled": true,
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@@ -1527,11 +1530,13 @@
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-              "bundled": true
+              "bundled": true,
+              "optional": true
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               "bundled": true,
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@@ -1544,15 +1549,18 @@
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+              "bundled": true,
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-              "bundled": true
+              "bundled": true,
+              "optional": true
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               "version": "1.1.0",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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@@ -1655,7 +1663,8 @@
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             "inherits": {
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-              "bundled": true
+              "bundled": true,
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@@ -1665,6 +1674,7 @@
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               "bundled": true,
+              "optional": true,
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               }
@@ -1677,17 +1687,20 @@
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               "bundled": true,
+              "optional": true,
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-              "bundled": true
+              "bundled": true,
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               "bundled": true,
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@@ -1704,6 +1717,7 @@
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
+              "optional": true,
               "requires": {
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               }
@@ -1776,7 +1790,8 @@
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+              "bundled": true,
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@@ -1786,6 +1801,7 @@
             "once": {
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               "bundled": true,
+              "optional": true,
               "requires": {
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@@ -1861,7 +1877,8 @@
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+              "bundled": true,
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@@ -1891,6 +1908,7 @@
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               "bundled": true,
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@@ -1908,6 +1926,7 @@
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               "bundled": true,
+              "optional": true,
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@@ -1946,11 +1965,13 @@
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             "wrappy": {
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+              "bundled": true,
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@@ -3110,7 +3131,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
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@@ -3761,7 +3782,8 @@
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+      "integrity": "sha512-R9bHCvweUxxwkDwhjav5vxpFvdPGlVngtqmx4pIZfSUhM/Q4NiIUHB456BAf+Q1Nwu3HEZYONtu+Rya+af4jiQ==",
+      "optional": true
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     "faye-websocket": {
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@@ -3877,7 +3899,8 @@
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+          "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
+          "optional": true
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@@ -3937,6 +3960,7 @@
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+          "optional": true,
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@@ -3960,6 +3984,7 @@
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+          "optional": true,
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@@ -3975,7 +4000,8 @@
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+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "optional": true
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@@ -4039,6 +4065,7 @@
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+          "optional": true,
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@@ -4078,7 +4105,8 @@
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-          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+          "optional": true
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@@ -4234,27 +4262,9 @@
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-      "integrity": "sha512-m/pZQy4Gj287eNy94nivy5wchN3Kp+Q5WgUPNy5lJSZ3sgkVKSYV/ZChMAQVIgx1SqfZ2zBZtPA2YlXIWxxJOQ==",
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-          "requires": {
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
-        }
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+      "version": "1.14.8",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.8.tgz",
+      "integrity": "sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA=="
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@@ -4469,7 +4479,8 @@
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+          "bundled": true,
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@@ -4487,11 +4498,13 @@
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         "balanced-match": {
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+          "bundled": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
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@@ -4504,15 +4517,18 @@
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           "version": "1.1.0",
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+          "bundled": true,
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+          "bundled": true,
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+          "bundled": true,
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@@ -4615,7 +4631,8 @@
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+          "bundled": true,
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@@ -4625,6 +4642,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4637,17 +4655,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
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+          "optional": true
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@@ -4664,6 +4685,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4736,7 +4758,8 @@
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@@ -4746,6 +4769,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
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@@ -4821,7 +4845,8 @@
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@@ -4851,6 +4876,7 @@
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           "bundled": true,
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@@ -4868,6 +4894,7 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4906,11 +4933,13 @@
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+          "bundled": true,
+          "optional": true
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+          "bundled": true,
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@@ -6482,6 +6511,7 @@
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       "integrity": "sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=",
+      "optional": true,
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@@ -6882,7 +6912,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -7263,7 +7293,7 @@
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-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.9.tgz",
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@@ -7313,12 +7343,12 @@
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-          "resolved": "http://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz",
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
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@@ -7382,12 +7412,12 @@
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-          "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-2.3.0.tgz",
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
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@@ -7533,7 +7563,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -8071,7 +8101,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -9598,7 +9628,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -9756,6 +9786,7 @@
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+      "optional": true,
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@@ -10472,7 +10503,8 @@
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+      "optional": true
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     "websocket-driver": {
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