msm7x30-common: some cleanup

* Removed useless & incorrect PRODUCT_MANUFACTURER definition
* Added & fixed some comments to the source files
* Deleted unused file recovery_ui.c
* Clean up recovery_keys.c according to bootable/recovery/
* Move gsm feature xml to mogami-common & zeus
* Remove custom RIL since it's merged in official cm10.1
* Revert init.sh modifications, no need for being different from official cm10
* Remove akm8973 header, we don't have any device using this
* Update releasetools

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I1e94132ca9491a34e8d5c817d639765401d60bd0
msm7x30-common: Move Torch overlay from devices

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I5624a9420d077777e77d5a7c791c1c35b16d4421
msm7x30: increase background apps to 10

Change-Id: I1d75b533de772d9dee3cb2a7b2279f4b27b651b5
semc/msm7x30 button lights: fix working only at 100% brightness

Change-Id: I3ee8705457abd17b65e8e45a15cc0d48a5958c21
Update overlays

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
add LegacyCamera overlay

Signed-off-by: Arnav Gupta <championswimmer@gmail.com>