FB:  Add transparency to Glowpad background [2/3]

Adds the option to make glowpad view background transparent on incoming call so the caller's entire picture can be seen.

PS3: Fix File Permissions

Change-Id: I0c6d883b86f05055fbf5865ea98f6cb144da7b27
fb: translation - RU

Iafef30a7f75b7131cc8779784bff1ef9f7042fac

Change-Id: Id157621347ca4e2177403d5505cee405ee945aa6
[1/2] Add support for Peek app

Disable built in peek when Peek app is installed. Enable it again on app's unistall.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>