Merge pull request #49 from layerhq/feature/steven-APPS-2263-compile-…

…with-23

Android M

Merge pull request #36 from layerhq/feature/clickable-text-links

TextCellFactory parses links

Merge pull request #34 from layerhq/feature/message-sender-callback

Notify of MessageSender events through a new Callback.

Merge pull request #27 from layerhq/feature/steven-refactor-squashed

Refactored Atlas APIs

Update README.md