Merge branch 'develop' into greenkeeper/arraybuffer-loader-1.0.6

package.json

src/components/asset-panel/selector.css

src/components/language-selector/language-selector.jsx

src/components/library/library.jsx

src/components/modal/modal.css

src/components/monitor/list-monitor.jsx

src/components/sprite-selector/sprite-selector.css

src/components/sprite-selector/sprite-selector.jsx

src/containers/blocks.jsx

src/containers/stage.jsx

src/lib/vm-listener-hoc.jsx