Sound effect manager.
More sounds
Merge commit '21074615fbb022b5bc7ea9b2cb8b770fb7090ee5' into development
Most of the GUI is in place.
Background for the gui swell.
Music!
Fixed the arrow
new ship
Fixed some background problems and changed font on GUI.
Added a new scene with Dixum Logo and instruction text.
Update some info text.
merge fix