scrips update
Merged ad_update from @Kantjer branch
MULTI_CPU_POLICY_LIMIT: new parms adaptation.
Permissions on cpufreq/all_cpus folder
scaling_min_freq_cpuX, scaling_max_freq_cpuX parameters
Made scaling_governor_cpuX configurable by STweaks
Fixed cpu_tuning_update script if cpu is not online and governor is different from the one
assigned to the first cpu.
Merge remote-tracking branch 'alu/aosp-4.4' into aosp-4.4

Conflicts:
	res/customconfig/extreme_battery.profile
	sbin/ext/post-init.sh