upgrade webpack to v2.3.3 to resolve sourcemap issues

package.json

@@ -44,7 +44,7 @@
     "visibilityjs": "^1.2.4",
     "vue": "^2.2.4",
     "vue-resource": "^0.9.3",
-    "webpack": "^2.2.1",
+    "webpack": "^2.3.3",
     "webpack-bundle-analyzer": "^2.3.0"
   },
   "devDependencies": {

yarn.lock

@@ -25,7 +25,7 @@ acorn-jsx@^3.0.0:
   dependencies:
     acorn "^3.0.4"
 
-acorn@4.0.4, acorn@^4.0.4:
+acorn@4.0.4:
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.4.tgz#17a8d6a7a6c4ef538b814ec9abac2779293bf30a"
 
@@ -33,7 +33,7 @@ acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
-acorn@^4.0.11, acorn@^4.0.3:
+acorn@^4.0.11, acorn@^4.0.3, acorn@^4.0.4:
   version "4.0.11"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.11.tgz#edcda3bd937e7556410d42ed5860f67399c794c0"
 
@@ -3690,7 +3690,7 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-"readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.2, readable-stream@^2.1.0, readable-stream@^2.2.2:
+"readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.1.0, readable-stream@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.2.tgz#a9e6fec3c7dda85f8bb1b3ba7028604556fc825e"
   dependencies:
@@ -3702,25 +3702,25 @@ read-pkg@^1.0.0:
     string_decoder "~0.10.x"
     util-deprecate "~1.0.1"
 
-readable-stream@^2.0.1, readable-stream@^2.0.5, readable-stream@~2.0.0, readable-stream@~2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+readable-stream@~1.0.2:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
-    isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
+    isarray "0.0.1"
     string_decoder "~0.10.x"
-    util-deprecate "~1.0.1"
 
-readable-stream@~1.0.2:
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+readable-stream@~2.0.0, readable-stream@~2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
-    isarray "0.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
     string_decoder "~0.10.x"
+    util-deprecate "~1.0.1"
 
 readable-stream@~2.1.4:
   version "2.1.5"
@@ -4080,6 +4080,10 @@ sockjs@0.3.18:
     faye-websocket "^0.10.0"
     uuid "^2.0.2"
 
+source-list-map@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-1.1.1.tgz#1a33ac210ca144d1e561f906ebccab5669ff4cb4"
+
 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"
@@ -4406,7 +4410,7 @@ typedarray@^0.0.6, typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-uglify-js@^2.6, uglify-js@^2.7.5:
+uglify-js@^2.6:
   version "2.7.5"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
   dependencies:
@@ -4415,6 +4419,15 @@ uglify-js@^2.6, uglify-js@^2.7.5:
     uglify-to-browserify "~1.0.0"
     yargs "~3.10.0"
 
+uglify-js@^2.8.5:
+  version "2.8.21"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.21.tgz#1733f669ae6f82fc90c7b25ec0f5c783ee375314"
+  dependencies:
+    source-map "~0.5.1"
+    yargs "~3.10.0"
+  optionalDependencies:
+    uglify-to-browserify "~1.0.0"
+
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
@@ -4534,9 +4547,9 @@ vue@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/vue/-/vue-2.2.4.tgz#d0a3a050a80a12356d7950ae5a7b3131048209cc"
 
-watchpack@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.2.1.tgz#01efa80c5c29e5c56ba55d6f5470a35b6402f0b2"
+watchpack@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.3.1.tgz#7d8693907b28ce6013e7f3610aa2a1acf07dad87"
   dependencies:
     async "^2.1.2"
     chokidar "^1.4.3"
@@ -4594,16 +4607,23 @@ webpack-dev-server@^2.3.0:
     webpack-dev-middleware "^1.9.0"
     yargs "^6.0.0"
 
-webpack-sources@^0.1.0, webpack-sources@^0.1.4:
+webpack-sources@^0.1.0:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-0.1.4.tgz#ccc2c817e08e5fa393239412690bb481821393cd"
   dependencies:
     source-list-map "~0.1.7"
     source-map "~0.5.3"
 
-webpack@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-2.2.1.tgz#7bb1d72ae2087dd1a4af526afec15eed17dda475"
+webpack-sources@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-0.2.3.tgz#17c62bfaf13c707f9d02c479e0dcdde8380697fb"
+  dependencies:
+    source-list-map "^1.1.1"
+    source-map "~0.5.3"
+
+webpack@^2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-2.3.3.tgz#eecc083c18fb7bf958ea4f40b57a6640c5a0cc78"
   dependencies:
     acorn "^4.0.4"
     acorn-dynamic-import "^2.0.0"
@@ -4621,9 +4641,9 @@ webpack@^2.2.1:
     source-map "^0.5.3"
     supports-color "^3.1.0"
     tapable "~0.2.5"
-    uglify-js "^2.7.5"
-    watchpack "^1.2.0"
-    webpack-sources "^0.1.4"
+    uglify-js "^2.8.5"
+    watchpack "^1.3.1"
+    webpack-sources "^0.2.3"
     yargs "^6.0.0"
 
 websocket-driver@>=0.5.1: