SlimLauncher: Multi-Language update

 - Finnish (Suomi) by S3miniFin @ XDA
 - French translation by pillow64 @ XDA and IKill4MySkill @ XDA
 - German updated by @andi34
 - Greek translation by jstath1972 @ XDA-Developers
 - Italian translation by Ezio Lacandia Bijelkic and smanq @ XDA
 - Lithuanian by jopsinas @ XDA
 - Polish by Jacek Kazimierowicz and flither @ XDA
 - Spanish by @Dhollmen
 - Turkish by @ersersoy

 Also remove cm_strings because we don`t use it.
 Some small fixes (adding copyright and fix a typo).

Change-Id: I58a4555393b89aae16cb0d64fbd719279f4eb41c