notification icon changed to black/white
Merge pull request #1007 from Catrobat/cat-943

CAT-943
notification icon changed to black/white
bricks, utils and layouts copied
modified files that could cause merge conflicts
testclasses copied
bugfix - wrong bitmask used
removed unused variable
trying to suppress hardcoded ip waring, using //nopmd
removed sprite parameter from led action
pull request #996 comments