* fully tested 3rd step DialogFragments
	* changed ListView into Spinner in 3rd post step
	* changed most of AsyncTasks to be implemented by AsyncTaskLoader
	* added Gson library to convert objects to String representation back and forth
	* added Otto event bus library to post about defined events to all their followers
	* added posts filter
	* added response to most of the buttons clicks'
	* updated to work with Android Studio 0.9.9 (doesn't seem to work with newest Gradle)
	* changed menu to be displayed with specified width
Merge remote-tracking branch 'origin/master'