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/blender/python/generic/mathutils.h

@@ -37,6 +37,7 @@
 #include "mathutils_matrix.h"
 #include "mathutils_quat.h"
 #include "mathutils_euler.h"
+#include "mathutils_color.h"
 
 /* Can cast different mathutils types to this, use for generic funcs */