Tweak default recovery keys

I'm not sure but I think that all devices with camera buttons (KEY_CAMERA or KEY_CAMERA_FOCUS) also have power button (KEY_POWER), so actually we can use additional camera buttons as GO_BACK instead of SELECT_ITEM.
Merge pull request #56 from JustArchi/patch-3

Tweak default recovery keys
SuperSU 2.02
merge "Fix BOARD_RECOVERY_BLDRMSG_OFFSET CFLAG"
do not unmount partitions before starting aroma file manager from default locations

On some devices, if /system and /data are unmounted before installing aroma package, aroma will fail to auto-mount the partitions
merge: Tell vold to use the fstype defined in fstab when formatting

If, for whatever reason, a voldmanaged volume had a different filesystem
than the one defined in the fstab, then this filesystem was kept when
formatting. Change the logic to use the filesystem defined in the fstab when
available.
merge: "sr: Force format /data when wipe_media option is given"
6.57.5
Merge branch 'cm-11.0-beta' of https://github.com/PhilZ-cwm6/philz_touch_cwm6 into cm-11.0-dual-boot-f2fs

Conflicts:
	roots.c