Settings: Long Term Orbits (LTO)

Ported from http://review.cyanogenmod.org/#/c/51422/3

Change-Id: Ia1fdf9e0ffa401f64ee9a5c130ed10709d930eb7
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
settings: Enable location mode header switch

Change-Id: I347e769351bc15daa87d3b6d684afe4e80416ecc
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Settings: update translations

Change-Id: Ic5d714a67bb2182b6453b6188e013388f1b733de
en_GB translation (localisation)

Change-Id: I19741f48d890abfcc7e6f22a378d049530cf5900
Only show ART information if switching from dalvik to ART

We do not want to confuse users with a big information dialog, if
they change from ART to dalvik as dalvik is still the official
solution, supported and considered safe.

Change-Id: I0ce4846e0bb751e87e5c410e668d4bc521380141

Patchset: 2
https://gerrit.omnirom.org/#/c/3698/