Refactored Look Brick XMLs

Added style definitions for Look Bricks to styles.xml and applied them
to all Look Bricks. Also changed some ids, therefore some java files
needed to be modified.
fix MoveBrickAcrossScriptTest

index refactoring because of change of brick heights
fixed longClickAndDrag test

brick were moved to wrong position because it were put exactly on the
other
added small offset
Refactored Look Brick XMLs

Added style definitions for Look Bricks to styles.xml and applied them
to all Look Bricks. Also changed some ids, therefore some java files
needed to be modified.
fix MoveBrickAcrossScriptTest

index refactoring because of change of brick heights
fixed longClickAndDrag test

brick were moved to wrong position because it were put exactly on the
other
added small offset
Merge branch 'RefactorLookBrickXMLs' of github.com:Catrobat/Catroid into RefactorLookBrickXMLs

Conflicts:
	catroid/src/org/catrobat/catroid/content/bricks/ChangeBrightnessByNBrick.java
fixed LoopBrickTest to run with the new brick heights
fixed testForeverBrick test case
fixed testForeverBrick test case
changed styles from Big to Medium
Merge pull request #158 from Catrobat/RefactorLookBrickXMLs

Refactor look brick xmls