dslv: use new fb fiter method

Change-Id: I00eb8d30eb5f647ca7a0e27e3a99f9c1d04d9e78
Settings: correct wallpaper custom image size to new keyguard size

due that custom images no reflect the content as well behind the
statusbar we do not need to take it into account anymore
when we start cropping to do not get streched image view
on the keyguard

Change-Id: Iae8fd4de3db63e0dead1ffc07ac4950c88824977
Settings: add torch to SlimActions

Change-Id: I4d78a3d38808cc94d557edea549a8158e86dbb50