Upgrading react-scripts 0.2 to 0.3

Adds react-scripts>0.3.1>autoprefixer 6.4.0, react-scripts>0.3.1>babel-core 6.14.0, react-scripts>0.3.1>babel-eslint 6.1.2, react-scripts>0.3.1>babel-jest 15.0.0, react-scripts>0.3.1>babel-loader 6.2.5, react-scripts>0.3.1>babel-plugin-transform-class-properties 6.11.5, react-scripts>0.3.1>babel-plugin-transform-object-rest-spread 6.8.0, react-scripts>0.3.1>babel-plugin-transform-react-constant-elements 6.9.1, react-scripts>0.3.1>babel-plugin-transform-regenerator 6.14.0, react-scripts>0.3.1>babel-plugin-transform-runtime 6.15.0, react-scripts>0.3.1>babel-preset-latest 6.14.0, react-scripts>0.3.1>babel-preset-react 6.11.1, react-scripts>0.3.1>babel-runtime 6.11.6, react-scripts>0.3.1>case-sensitive-paths-webpack-plugin 1.1.3, react-scripts>0.3.1>chalk 1.1.3, react-scripts>0.3.1>connect-history-api-fallback 1.3.0, react-scripts>0.3.1>cross-spawn 4.0.0, react-scripts>0.3.1>css-loader 0.24.0, react-scripts>0.3.1>detect-port 1.0.0, react-scripts>0.3.1>eslint 3.4.0, react-scripts>0.3.1>eslint-loader 1.5.0, react-scripts>0.3.1>eslint-plugin-flowtype 2.11.4, react-scripts>0.3.1>eslint-plugin-import 1.12.0, react-scripts>0.3.1>eslint-plugin-jsx-a11y 2.2.1, react-scripts>0.3.1>eslint-plugin-react 5.2.2, react-scripts>0.3.1>extract-text-webpack-plugin 1.0.1, react-scripts>0.3.1>file-loader 0.9.0, react-scripts>0.3.1>filesize 3.3.0, react-scripts>0.3.1>fs-extra 0.30.0, react-scripts>0.3.1>gzip-size 3.0.0, react-scripts>0.3.1>html-loader 0.4.3, react-scripts>0.3.1>html-webpack-plugin 2.22.0, react-scripts>0.3.1>http-proxy-middleware 0.17.1, react-scripts>0.3.1>jest 15.1.1, react-scripts>0.3.1>json-loader 0.5.4, react-scripts>0.3.1>object-assign 4.1.0, react-scripts>0.3.1>opn 4.0.2, react-scripts>0.3.1>path-exists 3.0.0, react-scripts>0.3.1>postcss-loader 0.11.1, react-scripts>0.3.1>promise 7.1.1, react-scripts>0.3.1>recursive-readdir 2.0.0, react-scripts>0.3.1>rimraf 2.5.4, react-scripts>0.3.1>strip-ansi 3.0.1, react-scripts>0.3.1>style-loader 0.13.1, react-scripts>0.3.1>url-loader 0.5.7, react-scripts>0.3.1>webpack 1.13.2, react-scripts>0.3.1>webpack-dev-server 1.15.1, react-scripts>0.3.1>whatwg-fetch 1.0.0.

Drops react-scripts>0.2.3>autoprefixer, react-scripts>0.2.3>babel-core, react-scripts>0.2.3>babel-eslint, react-scripts>0.2.3>babel-loader, react-scripts>0.2.3>babel-plugin-transform-class-properties, react-scripts>0.2.3>babel-plugin-transform-object-rest-spread, react-scripts>0.2.3>babel-plugin-transform-react-constant-elements, react-scripts>0.2.3>babel-plugin-transform-regenerator, react-scripts>0.2.3>babel-plugin-transform-runtime, react-scripts>0.2.3>babel-preset-latest, react-scripts>0.2.3>babel-preset-react, react-scripts>0.2.3>babel-runtime, react-scripts>0.2.3>case-sensitive-paths-webpack-plugin, react-scripts>0.2.3>chalk, react-scripts>0.2.3>connect-history-api-fallback, react-scripts>0.2.3>cross-spawn, react-scripts>0.2.3>css-loader, react-scripts>0.2.3>detect-port, react-scripts>0.2.3>eslint, react-scripts>0.2.3>eslint-loader, react-scripts>0.2.3>eslint-plugin-flowtype, react-scripts>0.2.3>eslint-plugin-import, react-scripts>0.2.3>eslint-plugin-jsx-a11y, react-scripts>0.2.3>eslint-plugin-react, react-scripts>0.2.3>extract-text-webpack-plugin, react-scripts>0.2.3>file-loader, react-scripts>0.2.3>filesize, react-scripts>0.2.3>fs-extra, react-scripts>0.2.3>gzip-size, react-scripts>0.2.3>html-webpack-plugin, react-scripts>0.2.3>http-proxy-middleware, react-scripts>0.2.3>json-loader, react-scripts>0.2.3>object-assign, react-scripts>0.2.3>opn, react-scripts>0.2.3>postcss-loader, react-scripts>0.2.3>promise, react-scripts>0.2.3>recursive-readdir, react-scripts>0.2.3>rimraf, react-scripts>0.2.3>strip-ansi, react-scripts>0.2.3>style-loader, react-scripts>0.2.3>url-loader, react-scripts>0.2.3>webpack, react-scripts>0.2.3>webpack-dev-server, react-scripts>0.2.3>whatwg-fetch.

Installs 940 packages in all (was 730).