Made necessary project structure abstractions. Implemented SocketIO connecting mechanism.
Merge branch 'master' of https://github.com/BartoszJanota/marims-android-lib

Conflicts:
	app/src/main/java/pl/edu/agh/marims/screenstreamer/app/MainActivity.java
Made refactoring. Upgraded build tools version.
Made working demo version with socket.io communication.