chore: update webpack to 2.4.1 (#127)

Author: sis0k0

Diff for: dependencyManager.js

@@ -40,7 +40,7 @@ function addDependency(deps, name, version, force) {
 
 function getRequiredDeps(packageJson) {
     let deps = {
-        "webpack": "~2.3.3",
+        "webpack": "~2.4.1",
         "webpack-sources": "~0.2.3",
         "copy-webpack-plugin": "~4.0.1",
         "raw-loader": "~0.5.1",