WIP commit
Merge branch 'master' into GUIfeedback

Conflicts:
	tsap/src/org/tribler/tsap/thumbgrid/ThumbGridFragment.java
WIP 2
Added status messages in the thumbgrid en the downloadlist fragments.
Fixed small bugs which caused incorrect messages to be displayed.
Improved the message when switching between screens to the home screen.
Merge pull request #124 from wtud/GUIfeedback

Search GUI broken