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/doc/examples/mathutils.py

@@ -0,0 +1,17 @@
+import mathutils
+
+vec = mathutils.Vector(1.0, 2.0, 3.0)
+
+mat_rot = mathutils.RotationMatrix(90, 4, 'X')
+mat_trans = mathutils.TranslationMatrix(vec)
+
+mat = mat_trans * mat_rot
+mat.invert()
+
+mat3 = mat.rotation_part()
+quat1 = mat.to_quat()
+quat2 = mat3.to_quat()
+
+angle = quat1.difference(quat2)
+
+print(angle)