deleting also user-variables when deleting sprite
fixed copying of sprites

refactored copy if bricks
refactored copy loop bricks
refactored copy user variable bricks
added test for if bricks for copy sprite
set background not clickable in actionmode
remove warnings and script copy entry in scriptfragment
Merge branch 'fixcopysprite' into issue#329

Conflicts:
	catroid/src/org/catrobat/catroid/ui/fragment/SpritesListFragment.java
unrefactored certain variables
refactored variables again
fixed references of loops
fixed references of conditions
fixing some reference issues and test cases
set default values in lego brick spinners and extended test
refactored testcase and fixed it
Merge branch 'master' into issue#329
trying to fix IllegalStateException
new catrobat version 0.7.2beta and new language version 0.7
trying to fix IllegalStateException
fixed catrobat language version on two other places
Merge pull request #338 from Catrobat/DefaultValues

set default values in lego brick spinners
Merge branch 'master' into fixing_testcases