diff --git a/yarn.lock b/yarn.lock
index a603e071..5fea9a1e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -286,11 +286,21 @@ ajv-errors@^1.0.0:
   integrity sha512-DCRfO/4nQ+89p/RK43i8Ezd41EqdGIU4ld7nGF8OQ14oc/we5rEntLCUa7+jrn3nn83BosfwZA0wb4pon2o8iQ==
 
 ajv-keywords@^3.1.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
-  integrity sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.4.0.tgz#4b831e7b531415a7cc518cd404e73f6193c6349d"
+  integrity sha512-aUjdRFISbuFOl0EIZc+9e4FfZp0bDZgAdOOf30bJmw8VM9v84SHyVyxDfbWxpGYbdZD/9XoKxfHVNmxPkhwyGw==
+
+ajv@^6.1.0:
+  version "6.10.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz#90d0d54439da587cd7e843bfb7045f50bd22bdf1"
+  integrity sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
 
-ajv@^6.1.0, ajv@^6.5.5:
+ajv@^6.5.5:
   version "6.7.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.7.0.tgz#e3ce7bb372d6577bb1839f1dfdfcbf5ad2948d96"
   integrity sha512-RZXPviBTtfmtka9n9sy1N5M5b82CbxWIR6HIis4s3WQTXDJamc/0gpCWNGz6EWdWp4DOfjzJfhz/AS9zVPjjWg==
@@ -1013,7 +1023,7 @@ commander@2.17.x, commander@~2.17.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
   integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
 
-commander@^2.12.1:
+commander@^2.12.1, commander@~2.19.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
   integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
@@ -1651,9 +1661,9 @@ duplexer3@^0.1.4:
   integrity sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=
 
 duplexify@^3.4.2, duplexify@^3.6.0:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.6.1.tgz#b1a7a29c4abfd639585efaecce80d666b1e34125"
-  integrity sha512-vM58DwdnKmty+FSPzT14K9JXb90H+j5emaR4KYbr2KTIz00WHGbWOe5ghQTx233ZCLZtrGDALzKwcjEtSt35mA==
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.7.1.tgz#2a4df5317f6ccfd91f86d6fd25d8d8a103b88309"
+  integrity sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==
   dependencies:
     end-of-stream "^1.0.0"
     inherits "^2.0.1"
@@ -1936,12 +1946,12 @@ fill-range@^4.0.0:
     to-regex-range "^2.1.0"
 
 find-cache-dir@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.0.0.tgz#4c1faed59f45184530fb9d7fa123a4d04a98472d"
-  integrity sha512-LDUY6V1Xs5eFskUVYtIwatojt6+9xC9Chnlk/jYOOvn3FAFfSaWddxahDGyNHh0b2dMXa6YW2m0tk8TdVaXHlA==
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.1.0.tgz#8d0f94cd13fe43c6c7c261a0d86115ca918c05f7"
+  integrity sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==
   dependencies:
     commondir "^1.0.1"
-    make-dir "^1.0.0"
+    make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
 find-npm-prefix@^1.0.2:
@@ -1972,12 +1982,12 @@ find-versions@^3.0.0:
     semver-regex "^2.0.0"
 
 flush-write-stream@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.3.tgz#c5d586ef38af6097650b49bc41b55fabb19f35bd"
-  integrity sha512-calZMC10u0FMUqoiunI2AiGIIUtUIvifNwkHhNupZH4cbNnW1Itkoh/Nf5HFYmDrwWPjrUxpkZT0KhuCq0jmGw==
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"
+  integrity sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==
   dependencies:
-    inherits "^2.0.1"
-    readable-stream "^2.0.4"
+    inherits "^2.0.3"
+    readable-stream "^2.3.6"
 
 for-in@^1.0.2:
   version "1.0.2"
@@ -3279,6 +3289,14 @@ make-dir@^1.0.0:
   dependencies:
     pify "^3.0.0"
 
+make-dir@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
+  integrity sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==
+  dependencies:
+    pify "^4.0.1"
+    semver "^5.6.0"
+
 "make-fetch-happen@^2.5.0 || 3 || 4", make-fetch-happen@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/make-fetch-happen/-/make-fetch-happen-4.0.1.tgz#141497cb878f243ba93136c83d8aba12c216c083"
@@ -4130,9 +4148,9 @@ p-limit@^1.1.0:
     p-try "^1.0.0"
 
 p-limit@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.1.0.tgz#1d5a0d20fb12707c758a655f6bbc4386b5930d68"
-  integrity sha512-NhURkNcrVB+8hNfLuysU8enY5xn2KXphsHBaC2YmRNTZRc7RWusw6apSpdEj3jo4CMb6W9nrF6tTnsJsJeyu6g==
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.0.tgz#417c9941e6027a9abcba5092dd2904e255b5fbc2"
+  integrity sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==
   dependencies:
     p-try "^2.0.0"
 
@@ -4173,9 +4191,9 @@ p-try@^1.0.0:
   integrity sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=
 
 p-try@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
-  integrity sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ==
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.1.0.tgz#c1a0f1030e97de018bb2c718929d2af59463e505"
+  integrity sha512-H2RyIJ7+A3rjkwKC2l5GGtU4H1vkxKCAGsWasNVd0Set+6i4znxbWy6/j16YDPJDWxhsgZiKAstMEP8wCdSpjA==
 
 package-json@^4.0.0:
   version "4.0.1"
@@ -4889,7 +4907,7 @@ read@1, read@~1.0.1, read@~1.0.7:
   dependencies:
     mute-stream "~0.0.4"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -5204,7 +5222,7 @@ semver-regex@^2.0.0:
   resolved "https://registry.yarnpkg.com/semver-regex/-/semver-regex-2.0.0.tgz#a93c2c5844539a770233379107b38c7b4ac9d338"
   integrity sha512-mUdIBBvdn0PLOeP3TEkMH7HHeUP3GjsXCwKarjv/kGmUFOYg1VqEemKhoQpWMu6X2I8kHeuVdGibLGkVK+/5Qw==
 
-"semver@2 >=2.2.1 || 3.x || 4 || 5", "semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", "semver@^2.3.0 || 3.x || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
+"semver@2 >=2.2.1 || 3.x || 4 || 5", "semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", "semver@^2.3.0 || 3.x || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
   integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
@@ -5887,7 +5905,7 @@ typescript@3.3.4000:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.4000.tgz#76b0f89cfdbf97827e1112d64f283f1151d6adf0"
   integrity sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==
 
-uglify-js@3.4.x, uglify-js@^3.0.0, uglify-js@^3.1.4:
+uglify-js@3.4.x, uglify-js@^3.1.4:
   version "3.4.9"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
   integrity sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==
@@ -5895,10 +5913,18 @@ uglify-js@3.4.x, uglify-js@^3.0.0, uglify-js@^3.1.4:
     commander "~2.17.1"
     source-map "~0.6.1"
 
+uglify-js@^3.0.0:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.2.tgz#dc0c7ac2da0a4b7d15e84266818ff30e82529474"
+  integrity sha512-imog1WIsi9Yb56yRt5TfYVxGmnWs3WSGU73ieSOlMVFwhJCA9W8fqFFMMj4kgDqiS/80LGdsYnWL7O9UcjEBlg==
+  dependencies:
+    commander "~2.19.0"
+    source-map "~0.6.1"
+
 uglifyjs-webpack-plugin@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-2.1.1.tgz#6937d7513a37280d4792f1fb536bef35e08e420a"
-  integrity sha512-TQEcyMNkObX/H+FfcKjiDgs5RcXX8vW2UUUrDTOfQgg3lrafztfeM5WAwXo+AzqozJK6NP9w98xNpG/dutzSsg==
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-2.1.2.tgz#70e5c38fb2d35ee887949c2a0adb2656c23296d5"
+  integrity sha512-G1fJx2uOAAfvdZ77SVCzmFo6mv8uKaHoZBL9Qq/ciC8r6p0ANOL1uY85fIUiyWXKw5RzAaJYZfNSL58Or2hQ0A==
   dependencies:
     cacache "^11.2.0"
     find-cache-dir "^2.0.0"