SlimLauncher: translation - Greek

Translation by jstath1972 @ XDA-Developers

Change-Id: I58a4555393b89aae16cb0d64fbd719279f4eb41c
SlimLauncher: translation - RU

PS2: removed unnecessary strings from arrays
PS3: move arrays to strings
PS4: we are Slim

Change-Id: Iddbf473b4027048041e7dbcaef0473211f25e9a2