Force downgrade webpack-dev-middleware as 1.2.0 causing failed builds
Force downgrade webpack-dev-middleware as 1.2.0 causing failed builds

AMD loading broken by webpack-dev-middleware 1.2.0, which is a dependency of `karma-webpack`.

Issue opened here https://github.com/webpack/karma-webpack/issues/56
rockabox/rb-table,rockabox/rb-table