[Bf-viewport] Viewport and shader system patches

[a.romanov at blend4web.com]

On Fri, 8 Jan 2016 19:26:13 +0100
  Brecht Van Lommel <brechtvanlommel at pandora.be> wrote:
> Ok, so it seems that currently there isn't really a vision for a
> better realtime shading system. At least not from people reading the
> bf-viewport and bf-gamedev mailing lists.
> 
> I'll review the patches that seem reasonable to me and don't really
> break compatibility, and those can go into Blender 2.77. For bigger
> changes someone else would need to take the responsibility.

They are a bit outdated, I'll update them.