Brings performance settings up-to-date with cm-10.2

Includes the following cm-10.2 commits:
http://review.cyanogenmod.org/30667 Performance: BootReceiver: set CPU min/max freqs before CPU governor
http://review.cyanogenmod.org/31886 Adding configurability of frequency cap (min/max) files' path.
http://review.cyanogenmod.org/48007 Cleanup: remove useless checks.
http://review.cyanogenmod.org/51295 Cleanup performance settings strings

Change-Id: If94d02745606e9bdca92a89ea7129a44878226a2

Conflicts:
	src/com/android/settings/cyanogenmod/PerformanceSettings.java
settings: add accessibility events to lockscreen slider and shortcuts (2/2)

beside that it is nicer for ppl using talkback eg and get clear
instructions this solves as well a fc in settings lockscreen targets
when using accessibility services

fix wrong value assignment to settings provider on longpress option for
lockscreen shortcuts

Change-Id: I4fbda8017b65178c1e29d6b7c24a85ac5a0d3306

Conflicts:
	src/com/android/settings/crdroid/fragments/LockscreenShortcutFragment.java