Hold HW Button on Lockscreen for Torch + some cleaning

1)
Hold HW Button (Home, Back or Menu) on Lockscreen to turn on Torch,
Release HW Button and Torch turns off.
(Requires Torch App found in CM,AOKP,PA -- package: net.cactii.flash2)
(Works only 2min after boot. This is due to Android's Broadcast
Limitation.)

2)Added/Removed some comments that were placed wrongly.

3) Changed BatteryBar Enable CheckBox to a Switch (by Dzakus)