AH-552 Changed how time differnce in hud was handled.

Now it display time in minutes, seconds and something.
AH-552 Added a pos sign to the hud.
Merge remote-tracking branch 'origin/master' into AH-552_TimeDiff
AH-552 Added set2d_color to graphics and ghost time to hud.
AH-552 The color will not fade out correctly.
Merge remote-tracking branch 'origin/master' into AH-552_TimeDiff

Conflicts:
	Client/Source/GameLogic.cpp
	Client/Source/Player.cpp
AH-552 Feedback in manabar added.
AH-552 Removed variables that weren't used.
Merge remote-tracking branch 'origin/master' into AH-552_TimeDiff