overlay: update power profile setting
update readme file
patches: charger: switch off backlight before blanking the display
patche: kang fm and webview patches from legaCyMod

Use classic webview, enable FM
add/remove patches (see details)

* Disable FM, currently broken due to SELinux?
* Disable Tunnel recording
* Add buffer size support (needed for video playback)
* Enable LPA
* Classic webview
* charger: turn off backlight before sending FBIO_BLANK ioctl

We're currently using OmniROM's frameworks/native since CM's segfault for some reason.
That's why there are quite a lot patches for native :)