User interface 60

HUD and Menu are stable now. 

Please check if compatible with Linux ("for each" removed, but regex may become a problem with GCC version below 4.9).

Please don't forget to pull data repository as the preview images rely on the four new textures.

Discussion: I would prefer German over English as in-game language. (Because I am German :D) 
Maybe we open another (low-priority) ticket with English support?