Advanced advanced reboot menu options (1/2)

this add to the advanced reboot options the ability to
set:

0 Disabled
1 Hide one lockscreen
2 Show always

ATTENTION: YOU WILL GET FC IF YOU HAD OLD ORIGINAL MOD (our modded version from cm) INSTALLED.
Clear Settings app data and all is fine
cheers

Change-Id: Id63a8d9746792063697c43da4ed07cb16e4d1419