Merge pull request #739 from LLK/develop

.travis.yml

package.json

src/components/blocks/blocks.css

src/components/gui/gui.css

src/components/gui/gui.jsx

src/components/gui/icon--extensions.svg

src/components/library/library.jsx

src/components/loupe/loupe.css

src/components/loupe/loupe.jsx

src/components/modal/modal.jsx

src/components/prompt/prompt.jsx

src/components/record-modal/record-modal.jsx

src/components/stage/stage.css

src/components/stage/stage.jsx

src/components/target-pane/target-pane.jsx

src/containers/audio-trimmer.jsx

src/containers/backdrop-library.jsx

src/containers/blocks.jsx

src/containers/costume-library.jsx

src/containers/extension-library.jsx