budlion

throw signature changed error when running with happypack

2

``` Error: Signature changed: context parameter added at Resolver.resolve (\node_modules\webpack\node_modules\enhanced-resolve\lib\Resolver.js:32:9) at Resolver.resolver.resolve (\node_modules\hard-source-webpack-plugin\lib\enhanced-resolve-cache.js:329:22) at resolveLoader (\node_modules\happypack\lib\WebpackUtils.js:150:17) at \node_modules\happypack\lib\WebpackUtils.js:131:7 at \node_modules\happypack\node_modules\async\lib\async.js:713:13 at async.forEachOf.async.eachOf (\node_modules\happypack\node_modules\async\lib\async.js:233:13) at _parallel (\node_modules\happypack\node_modules\async\lib\async.js:712:9) at Object.async.parallel (\node_modules\happypack\node_modules\async\lib\async.js:726:9) at...