chore(build): update compression-webpack-plugin (angular#2709)

Close angular#2599
Close angular#2685

Author: filipesilva

package.json

@@ -55,7 +55,7 @@
     "awesome-typescript-loader": "^2.2.3",
     "chalk": "^1.1.3",
     "common-tags": "^1.3.1",
-    "compression-webpack-plugin": "github:webpack/compression-webpack-plugin#7e55907cd54a2e91b96d25a660acc6a2a6453f54",
+    "compression-webpack-plugin": "^0.3.2",
     "core-js": "^2.4.0",
     "css-loader": "^0.23.1",
     "denodeify": "^1.2.1",

packages/angular-cli/package.json

@@ -38,7 +38,7 @@
     "awesome-typescript-loader": "^2.2.3",
     "chalk": "^1.1.3",
     "common-tags": "^1.3.1",
-    "compression-webpack-plugin": "github:webpack/compression-webpack-plugin#7e55907cd54a2e91b96d25a660acc6a2a6453f54",
+    "compression-webpack-plugin": "^0.3.2",
     "core-js": "^2.4.0",
     "css-loader": "^0.23.1",
     "denodeify": "^1.2.1",