Improved webpack configuration, always build our own React but provide the correct flags to strip debugging info

Use my fork of HtmlWebpackPlugin until they accept my patch. Add comment regarding '?[chunkhash]' behavior.

Fixes React table regression by defaulting React to minified version. Add dev mode to webpack.config

Add example unit tests for controller, directive, filters, serivces, as well as an e2e protractor test. Move 'test' directory up one directory

If two chunks (with potentially overlapping modules) are intended to be
loaded on the same page we need to use CommonsChunkPlugin to extract the
common dependencies into a commons chunk to prevent some modules from
being loaded twice. Alternatively we could stop using multiple chunks.

Integrate eslint with webpack. Adds a couple seconds to initial build, but negligible time to incremental (watch) builds