diff --git a/yarn.lock b/yarn.lock
index 0afa1af..d5f8f39 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -428,7 +428,7 @@ arr-union@^3.1.0:
 
 array-equal@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz#8c2a5ef2472fd9ea742b04c77a75093ba2757c93"
+  resolved "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz#8c2a5ef2472fd9ea742b04c77a75093ba2757c93"
 
 array-filter@^1.0.0:
   version "1.0.0"
@@ -558,7 +558,7 @@ async@^1.5.2:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
   integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
 
-async@^2.1.4, async@^2.5.0:
+async@^2.1.4:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   dependencies:
@@ -767,7 +767,7 @@ babel-plugin-check-es2015-constants@^6.22.0:
 
 babel-plugin-istanbul@^4.1.6:
   version "4.1.6"
-  resolved "http://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  resolved "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
     babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
@@ -791,23 +791,23 @@ babel-plugin-module-resolver@^3.1.1:
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
 
 babel-plugin-syntax-exponentiation-operator@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
 
 babel-plugin-syntax-flow@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
 
 babel-plugin-syntax-jsx@^6.3.13, babel-plugin-syntax-jsx@^6.8.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
 babel-plugin-syntax-trailing-function-commas@^6.22.0:
   version "6.22.0"
@@ -1438,7 +1438,7 @@ bytes@3.1.0:
 
 cacache@^10.0.4:
   version "10.0.4"
-  resolved "http://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
+  resolved "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
   dependencies:
     bluebird "^3.5.1"
     chownr "^1.0.1"
@@ -1492,7 +1492,7 @@ cache-base@^1.0.1:
 
 callsites@^2.0.0:
   version "2.0.0"
-  resolved "http://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
+  resolved "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
 
 callsites@^3.0.0:
   version "3.1.0"
@@ -1560,7 +1560,7 @@ chalk@2.4.2, chalk@^2.0.0, chalk@^2.1.0, chalk@^2.4.1, chalk@^2.4.2:
 
 chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -1767,6 +1767,11 @@ commander@^2.19.0, commander@^2.20.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -2020,7 +2025,7 @@ css-loader@^1.0.1:
 
 css-select@^1.1.0, css-select@~1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz#2b3a110539c5355f1cd8d314623e870b121ec858"
+  resolved "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz#2b3a110539c5355f1cd8d314623e870b121ec858"
   dependencies:
     boolbase "~1.0.0"
     css-what "2.1"
@@ -2600,7 +2605,7 @@ es6-promise@^4.0.3:
 
 es6-promisify@^5.0.0:
   version "5.0.0"
-  resolved "http://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  resolved "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
   dependencies:
     es6-promise "^4.0.3"
 
@@ -2886,7 +2891,7 @@ expand-brackets@^2.1.4:
 
 expand-range@^1.8.1:
   version "1.8.2"
-  resolved "http://registry.npmjs.org/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
+  resolved "https://registry.npmjs.org/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
   dependencies:
     fill-range "^2.1.0"
 
@@ -2966,7 +2971,7 @@ extend@~3.0.2:
 
 external-editor@^2.0.4:
   version "2.2.0"
-  resolved "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
+  resolved "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
   dependencies:
     chardet "^0.4.0"
     iconv-lite "^0.4.17"
@@ -3521,10 +3526,11 @@ handle-thing@^2.0.0:
   integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
 handlebars@^4.0.3:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
+  integrity sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==
   dependencies:
-    async "^2.5.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
     source-map "^0.6.1"
   optionalDependencies:
@@ -3638,7 +3644,7 @@ hmac-drbg@^1.0.0:
 
 hoek@4.x.x:
   version "4.2.1"
-  resolved "http://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
+  resolved "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz#9634502aa12c445dd5a7c5734b572bb8738aacbb"
 
 hoist-non-react-statics@^3.1.0:
   version "3.2.0"
@@ -3707,7 +3713,7 @@ html-minifier@^3.2.3:
 
 html-webpack-plugin@^3.2.0:
   version "3.2.0"
-  resolved "http://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
+  resolved "https://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
   dependencies:
     html-minifier "^3.2.3"
     loader-utils "^0.2.16"
@@ -3731,7 +3737,7 @@ htmlparser2@^3.9.1:
 
 htmlparser2@~3.3.0:
   version "3.3.0"
-  resolved "http://registry.npmjs.org/htmlparser2/-/htmlparser2-3.3.0.tgz#cc70d05a59f6542e43f0e685c982e14c924a9efe"
+  resolved "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.3.0.tgz#cc70d05a59f6542e43f0e685c982e14c924a9efe"
   dependencies:
     domelementtype "1"
     domhandler "2.1"
@@ -4509,7 +4515,7 @@ jest-environment-node@^23.4.0:
 
 jest-get-type@^22.1.0:
   version "22.4.3"
-  resolved "http://registry.npmjs.org/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
+  resolved "https://registry.npmjs.org/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
 
 jest-haste-map@^23.6.0:
   version "23.6.0"
@@ -4772,11 +4778,11 @@ jsdom@^11.5.1:
 
 jsesc@^1.3.0:
   version "1.3.0"
-  resolved "http://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+  resolved "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
 jsesc@~0.5.0:
   version "0.5.0"
-  resolved "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+  resolved "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
 json-parse-better-errors@^1.0.2:
   version "1.0.2"
@@ -4987,7 +4993,7 @@ lodash.sortby@^4.7.0:
 
 lodash@^3.10.1:
   version "3.10.1"
-  resolved "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
+  resolved "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
 lodash@^4.0.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@~4.17.10:
   version "4.17.15"
@@ -5280,7 +5286,8 @@ minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 minipass@^2.2.1, minipass@^2.3.5:
   version "2.5.0"
@@ -5445,7 +5452,7 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
-neo-async@^2.5.0, neo-async@^2.6.1:
+neo-async@^2.5.0, neo-async@^2.6.0, neo-async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
   integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
@@ -5824,6 +5831,7 @@ opn@^5.5.0:
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
   dependencies:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
@@ -6612,7 +6620,7 @@ read-pkg@^2.0.0:
 
 readable-stream@1.0:
   version "1.0.34"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -6744,11 +6752,11 @@ regexpu-core@^2.0.0:
 
 regjsgen@^0.2.0:
   version "0.2.0"
-  resolved "http://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+  resolved "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
 
 regjsparser@^0.1.4:
   version "0.1.5"
-  resolved "http://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  resolved "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
   dependencies:
     jsesc "~0.5.0"
 
@@ -7550,7 +7558,7 @@ string_decoder@^1.0.0, string_decoder@^1.1.1:
 
 string_decoder@~0.10.x:
   version "0.10.31"
-  resolved "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  resolved "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
 string_decoder@~1.1.1:
   version "1.1.1"
@@ -7886,13 +7894,21 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-uglify-js@3.4.x, uglify-js@^3.1.4:
+uglify-js@3.4.x:
   version "3.4.9"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
   dependencies:
     commander "~2.17.1"
     source-map "~0.6.1"
 
+uglify-js@^3.1.4:
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
+  integrity sha512-7tINm46/3puUA4hCkKYo4Xdts+JDaVC9ZPRcG8Xw9R4nhO/gZgUM3TENq8IF4Vatk8qCig4MzP/c8G4u2BkVQg==
+  dependencies:
+    commander "~2.20.3"
+    source-map "~0.6.1"
+
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
@@ -8268,6 +8284,7 @@ wide-align@^1.1.0:
 wordwrap@~0.0.2:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+  integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
 
 wordwrap@~1.0.0:
   version "1.0.0"
@@ -8439,7 +8456,7 @@ yargs@13.2.4:
 
 yargs@^11.0.0:
   version "11.1.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   dependencies:
     cliui "^4.0.0"
     decamelize "^1.1.1"