New languages added.

We've updated and added many language packs.

1. Russian language version added.
   (credit goes to cbemachen)
2. Croatian language version added.
   (credit goes to Ivan)
3. Turkey language version added.
   (credit goes to HK)
4. Italian language version updated.
   (credit goes to Iacopo & Marco)
5. Arabic language version added.
   (credit goes to Arab Palace)

• Check it out!