Remove navbar autohide and nav bar transparency

Signed-off-by: Roman Birg <romanbirg@gmail.com>
check for NPE on wallpaper select

Change-Id: I91c5c2a6eb65fabc155e8d50662a522d3bd1d157
remove useless statusbar font sizes

Change-Id: Icaaf30a16525eee0b77c41db531e2b8b9eb38cdf
fix enablement of circle battery color options - again

Change-Id: Iae0a4e100c3253929d05ccc3919b74470faa3482