Update 2 dependencies from npm#94

Merged

Hypnosphi merged 2 commits intomasterfrom

dependencies.io-update-build-146.0.0

Apr 19, 2018

Commits on Apr 19, 2018

Update style-loader from 0.20.3 to 0.21.0 in packages/react-scripts
dependencies-bot
committed
Update webpack-manifest-plugin from 2.0.0 to 2.0.1 in packages/react-scripts
dependencies-bot
committed