diff --git a/yarn.lock b/yarn.lock
index 5bffba41..f628696e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13,21 +13,27 @@
     "@angular-devkit/core" "0.6.8"
     rxjs "^6.0.0"
 
-"@angular-devkit/build-angular@~0.6.8":
-  version "0.6.8"
-  resolved "https://registry.yarnpkg.com/@angular-devkit/build-angular/-/build-angular-0.6.8.tgz#ea108509f970efc9cd9087a47894c0164dd2d0c0"
+"@angular-devkit/architect@0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@angular-devkit/architect/-/architect-0.7.0.tgz#74188e025377900e2757b6c691339e67c01b9ef5"
   dependencies:
-    "@angular-devkit/architect" "0.6.8"
-    "@angular-devkit/build-optimizer" "0.6.8"
-    "@angular-devkit/core" "0.6.8"
-    "@ngtools/webpack" "6.0.8"
+    "@angular-devkit/core" "0.7.0"
+    rxjs "^6.0.0"
+
+"@angular-devkit/build-angular@~0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@angular-devkit/build-angular/-/build-angular-0.7.0.tgz#c8382117056df5405eec27f104679e086a17a058"
+  dependencies:
+    "@angular-devkit/architect" "0.7.0"
+    "@angular-devkit/build-optimizer" "0.7.0"
+    "@angular-devkit/build-webpack" "0.7.0"
+    "@angular-devkit/core" "0.7.0"
+    "@ngtools/webpack" "6.1.0"
     ajv "~6.4.0"
     autoprefixer "^8.4.1"
-    cache-loader "^1.2.2"
-    chalk "~2.2.2"
     circular-dependency-plugin "^5.0.2"
     clean-css "^4.1.11"
-    copy-webpack-plugin "^4.5.1"
+    copy-webpack-plugin "^4.5.2"
     file-loader "^1.1.11"
     glob "^7.0.3"
     html-webpack-plugin "^3.0.6"
@@ -37,8 +43,6 @@
     less "^3.0.4"
     less-loader "^4.1.0"
     license-webpack-plugin "^1.3.1"
-    lodash "^4.17.4"
-    memory-fs "^0.4.1"
     mini-css-extract-plugin "~0.4.0"
     minimatch "^3.0.4"
     opn "^5.1.0"
@@ -49,10 +53,9 @@
     postcss-loader "^2.1.5"
     postcss-url "^7.3.2"
     raw-loader "^0.5.1"
-    resolve "^1.5.0"
     rxjs "^6.0.0"
-    sass-loader "^7.0.1"
-    silent-error "^1.1.0"
+    sass-loader "~6.0.7"
+    source-map-loader "^0.2.3"
     source-map-support "^0.5.0"
     stats-webpack-plugin "^0.6.2"
     style-loader "^0.21.0"
@@ -61,24 +64,32 @@
     tree-kill "^1.2.0"
     uglifyjs-webpack-plugin "^1.2.5"
     url-loader "^1.0.1"
-    webpack "~4.8.1"
+    webpack "~4.9.2"
     webpack-dev-middleware "^3.1.3"
     webpack-dev-server "^3.1.4"
     webpack-merge "^4.1.2"
     webpack-sources "^1.1.0"
     webpack-subresource-integrity "^1.1.0-rc.4"
   optionalDependencies:
-    node-sass "^4.9.0"
+    node-sass "^4.9.1"
 
-"@angular-devkit/build-optimizer@0.6.8":
-  version "0.6.8"
-  resolved "https://registry.yarnpkg.com/@angular-devkit/build-optimizer/-/build-optimizer-0.6.8.tgz#9e18a4f447290d3a8e32df1110aac8b98b80dec2"
+"@angular-devkit/build-optimizer@0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@angular-devkit/build-optimizer/-/build-optimizer-0.7.0.tgz#83efe0331c3f0ec49586c203a707871135c23501"
   dependencies:
     loader-utils "^1.1.0"
     source-map "^0.5.6"
     typescript "~2.9.1"
     webpack-sources "^1.1.0"
 
+"@angular-devkit/build-webpack@0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@angular-devkit/build-webpack/-/build-webpack-0.7.0.tgz#77505c1936dc9fede9303212a8676e5730ac366a"
+  dependencies:
+    "@angular-devkit/architect" "0.7.0"
+    "@angular-devkit/core" "0.7.0"
+    rxjs "^6.0.0"
+
 "@angular-devkit/core@0.6.8":
   version "0.6.8"
   resolved "https://registry.yarnpkg.com/@angular-devkit/core/-/core-0.6.8.tgz#3b09d97bd2588f0091df11921f7ed772431806aa"
@@ -88,6 +99,15 @@
     rxjs "^6.0.0"
     source-map "^0.5.6"
 
+"@angular-devkit/core@0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@angular-devkit/core/-/core-0.7.0.tgz#6cc5e284be83681534f97f1511a2f0af5101232c"
+  dependencies:
+    ajv "~6.4.0"
+    chokidar "^2.0.3"
+    rxjs "^6.0.0"
+    source-map "^0.5.6"
+
 "@angular-devkit/schematics@0.6.8":
   version "0.6.8"
   resolved "https://registry.yarnpkg.com/@angular-devkit/schematics/-/schematics-0.6.8.tgz#6360a0271f1f422862bf932a03b3741e76ac5ff0"
@@ -197,11 +217,12 @@
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/@ng-bootstrap/ng-bootstrap/-/ng-bootstrap-2.2.0.tgz#acd514e878a1412f39d50eff691095ecc0882bf3"
 
-"@ngtools/webpack@6.0.8":
-  version "6.0.8"
-  resolved "https://registry.yarnpkg.com/@ngtools/webpack/-/webpack-6.0.8.tgz#a05bce526aee9da62bb230a95fba83fee99d0bca"
+"@ngtools/webpack@6.1.0":
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/@ngtools/webpack/-/webpack-6.1.0.tgz#69679994edb40f3979a1c2d9cf378f7deffca902"
   dependencies:
-    "@angular-devkit/core" "0.6.8"
+    "@angular-devkit/core" "0.7.0"
+    rxjs "^6.0.0"
     tree-kill "^1.0.0"
     webpack-sources "^1.1.0"
 
@@ -779,7 +800,7 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansi-styles@^3.1.0, ansi-styles@^3.2.1:
+ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
   dependencies:
@@ -978,7 +999,7 @@ async@1.x, async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.4, async@~2.6.0:
+async@^2.1.4, async@^2.5.0, async@~2.6.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   dependencies:
@@ -1486,15 +1507,6 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
-cache-loader@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/cache-loader/-/cache-loader-1.2.2.tgz#6d5c38ded959a09cc5d58190ab5af6f73bd353f5"
-  dependencies:
-    loader-utils "^1.1.0"
-    mkdirp "^0.5.1"
-    neo-async "^2.5.0"
-    schema-utils "^0.4.2"
-
 callsite@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
@@ -1570,14 +1582,6 @@ chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.2, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chalk@~2.2.2:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.2.2.tgz#4403f5cf18f35c05f51fbdf152bf588f956cf7cb"
-  dependencies:
-    ansi-styles "^3.1.0"
-    escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
-
 charenc@~0.0.1:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
@@ -1938,7 +1942,7 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
-copy-webpack-plugin@^4.5.1:
+copy-webpack-plugin@^4.5.2:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-4.5.2.tgz#d53444a8fea2912d806e78937390ddd7e632ee5c"
   dependencies:
@@ -3826,10 +3830,6 @@ has-flag@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
 
-has-flag@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
-
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -4648,7 +4648,7 @@ jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
-json-parse-better-errors@^1.0.1:
+json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
 
@@ -4923,7 +4923,7 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
-loader-utils@^0.2.16:
+loader-utils@^0.2.16, loader-utils@~0.2.2:
   version "0.2.17"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
   dependencies:
@@ -5181,7 +5181,7 @@ mem@^1.1.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-memory-fs@^0.4.0, memory-fs@^0.4.1, memory-fs@~0.4.1:
+memory-fs@^0.4.0, memory-fs@~0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/memory-fs/-/memory-fs-0.4.1.tgz#3a9a20b8462523e447cfbc7e8bb80ed667bfc552"
   dependencies:
@@ -5544,7 +5544,7 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-node-sass@^4.9.0, node-sass@^4.9.1:
+node-sass@^4.9.1:
   version "4.9.1"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.9.1.tgz#5416ae7079d991f0e7002e62c8b0ba3fedc15c79"
   dependencies:
@@ -7099,7 +7099,7 @@ resolve@1.1.x:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-resolve@^1.1.6, resolve@^1.1.7, resolve@^1.3.2, resolve@^1.5.0:
+resolve@^1.1.6, resolve@^1.1.7, resolve@^1.3.2:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
   dependencies:
@@ -7191,9 +7191,9 @@ sass-graph@^2.2.4:
     scss-tokenizer "^0.2.3"
     yargs "^7.0.0"
 
-sass-loader@^7.0.1:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.0.3.tgz#6ca10871a1cc7549f8143db5a9958242c4e4ca2a"
+sass-loader@~6.0.7:
+  version "6.0.7"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-6.0.7.tgz#dd2fdb3e7eeff4a53f35ba6ac408715488353d00"
   dependencies:
     clone-deep "^2.0.1"
     loader-utils "^1.0.1"
@@ -7221,7 +7221,7 @@ schema-utils@^0.3.0:
   dependencies:
     ajv "^5.0.0"
 
-schema-utils@^0.4.0, schema-utils@^0.4.2, schema-utils@^0.4.3, schema-utils@^0.4.4, schema-utils@^0.4.5:
+schema-utils@^0.4.0, schema-utils@^0.4.3, schema-utils@^0.4.4, schema-utils@^0.4.5:
   version "0.4.5"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.5.tgz#21836f0608aac17b78f9e3e24daff14a5ca13a3e"
   dependencies:
@@ -7405,7 +7405,7 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
-silent-error@^1.0.0, silent-error@^1.1.0:
+silent-error@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/silent-error/-/silent-error-1.1.0.tgz#2209706f1c850a9f1d10d0d840918b46f26e1bc9"
   dependencies:
@@ -7567,6 +7567,14 @@ source-list-map@~0.1.7:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-0.1.8.tgz#c550b2ab5427f6b3f21f5afead88c4f5587b2106"
 
+source-map-loader@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/source-map-loader/-/source-map-loader-0.2.3.tgz#d4b0c8cd47d54edce3e6bfa0f523f452b5b0e521"
+  dependencies:
+    async "^2.5.0"
+    loader-utils "~0.2.2"
+    source-map "~0.6.1"
+
 source-map-resolve@^0.5.0:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
@@ -7908,12 +7916,6 @@ supports-color@^3.1.0, supports-color@^3.1.2:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
-  dependencies:
-    has-flag "^2.0.0"
-
 supports-color@^5.1.0, supports-color@^5.3.0, supports-color@^5.4.0:
   version "5.4.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
@@ -8608,9 +8610,9 @@ webpack-subresource-integrity@^1.1.0-rc.4:
   dependencies:
     webpack-core "^0.6.8"
 
-webpack@~4.8.1:
-  version "4.8.3"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.8.3.tgz#957c8e80000f9e5cc03d775e78b472d8954f4eeb"
+webpack@~4.9.2:
+  version "4.9.2"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.9.2.tgz#d347097cc87c9242527c2e8ee9cdcb90f05856c3"
   dependencies:
     "@webassemblyjs/ast" "1.4.3"
     "@webassemblyjs/wasm-edit" "1.4.3"
@@ -8622,6 +8624,7 @@ webpack@~4.8.1:
     chrome-trace-event "^0.1.1"
     enhanced-resolve "^4.0.0"
     eslint-scope "^3.7.1"
+    json-parse-better-errors "^1.0.2"
     loader-runner "^2.3.0"
     loader-utils "^1.1.0"
     memory-fs "~0.4.1"