Merge pull request #4926 from LLK/sound-lib-touch

src/components/library-item/lib-icon--sound-rtl.svg

src/components/library-item/lib-icon--sound.svg

src/components/library-item/library-item.css

src/components/library-item/library-item.jsx

src/components/library/library.jsx

src/components/play-button/icon--play.svg

src/components/play-button/icon--stop.svg

src/components/play-button/play-button.css

src/components/play-button/play-button.jsx

src/containers/library-item.jsx

src/containers/play-button.jsx

src/containers/sound-library.jsx