Settings: Fix crash if apps to open are not installed

Some external apps (AICP OTA, Kernel Tweaker, OmniSwitch
and RomControl) are hooked into Settings. If these aren't
installed (e.g. the user removed it), the corresponding
settins should be hidden.

PS2: fix whitespace

Change-Id: I56ee0d2e7eab67f6bf996bb48ff1d0214bbe96e7
Always keep ROMControl

Change-Id: Ibf1f630bb943f29ccdae017e2eb16d5a2cb2aef0
Merge "Settings: Fix crash if apps to open are not installed" into kitkat
Merge "Always keep ROMControl" into kitkat
Revert "Settings: Notification Shortcuts [2/2]"

This reverts commit 7d720cc6a5ec306935f63dae857bc33ae57884a2.

Tried to fix, but no luck..

Change-Id: I65f27f3304df632dcd95d3a0ba9cb6d34a6cfc40
Merge "Revert "Settings: Notification Shortcuts [2/2]"" into kitkat