Trebuchet Settings: add setDisplayHomeAsUpEnabled

patch 3: cleaner imports

Change-Id: Ib7150bf248feb343042b1b8cc20775bae1d27279
Trebuchet: Fix vertical position of wallpaper when mWallpaperHack is activated

Fix vertical aligment of wallpaper when Wallpaper Quick Render setting is activated.
See http://review.cyanogenmod.org/35227

Change-Id: I3b2b7b59ebce995724bcc2fe3f2aa079c7abafee
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge "Trebuchet: Fix vertical position of wallpaper when mWallpaperHack is activated" into cm-10.1
Merge "Trebuchet Settings: add setDisplayHomeAsUpEnabled" into cm-10.1