Add Lean zram script
init.rc: Remove gamma and hispeed
init.rc: sched_mc_power_savings 0
Enable FRANDOM at Boot
Move zram from data/ak/init.d to data/ak/backup - Thanks Franco-c
fstab.tuna: Add Discard Option
init.rc: Disable Content Adaptive Brightness at boot
Set Min Max Screen On/Off
Merge remote-tracking branch 'upstream/jb-initram-4.2.2-wifi3.4' into jb-initram-4.2.2-wifi3.4

Conflicts:
	ramdisk-4.2/init.rc