Added read_ahead (kb) parameter for internal sd card.
updated ramdisk to that i have lost :(

Conflicts:
	sbin/cksum
Reduced cpu uv minimum limit.
Implemented GPU VOLTAGE CONTROL configuration.

Conflicts:
	res/customconfig/battery.profile
	res/customconfig/customconfig.xml
	res/customconfig/default.profile
	res/customconfig/extreme_battery.profile
	res/customconfig/extreme_performance.profile
	res/customconfig/performance.profile
intelli_thermal: added temp_hysteresis_degC parameter.