Update webpack-dev-server To Version 1.15.0 (#236)
Update webpack-dev-server To Version 1.15.0 (#236)

Refer:

https://github.com/webpack/webpack-dev-server/compare/eae3a0c73fb847521b42ac2accae1c0906dd6023...f1ce64f848bf5165b457fbdfff4cc5432b1f313a

frig-js/frig,TouchBistro/frig,frig-js/frig,TouchBistro/frig