FWB: added screenshot delete action in notifications

allows deleting a screenshot from the notification
inspired from CarbonRom - initial from CM I guess

AICPfy:
brought in from KK

Change-Id: I67b7b9a7808ddb8c54ea4f3a45aad6d44833e1df
change default wallpaper to lollipop version

optimized with jpegoptim --strip-all -m90

Change-Id: Ice7f1e771d1e17d4498a464446dd107c76a0fcd9
Signed-off-by: Alexander Martinz <eviscerationls@gmail.com>