PyAPI

- added new mathutils.Color() type, use with rna so we can do for eg:
 material.diffuse_color.r = 1.0
 # also has hsv access
 material.diffuse_color.s = 0.6

 - made Mathutils and Geometry module names lowercase.

source/gameengine/PyDoc/API_intro.py

@@ -26,7 +26,7 @@ The Blender Game Engine Python API Reference
 	
 		These modules have no GameEngine specific functionality but are useful in many cases.
 		
-			- L{Mathutils}
+			- L{mathutils}
 			- L{Geometry}
 			- L{BGL}