This patch suppresses the outdated KX_PolygonMaterial.rst documentation file and moves the example contained in it into KX_BlenderMaterial.rst.
The file KX_BlenderMaterial.rst receives some extra formatting changes (lists are not supported in methods arguments types).
Reviewers: kupoman, campbellbarton, lordloki, panzergame, moguri
Reviewed By: panzergame, moguri
Projects: #game_engine
Differential Revision: https://developer.blender.org/D1355