Blender Git Loki

BGE:
This fixes frame colors not showing up right when using letterbox in the embedded player. Frames are drawn by clearing the whole canvas and then changing the viewport to be within the frames. The problem is that the embedded player's canvas is setup to be within the frames. This means that the extra that would normally be cleared and filled with the frame color is instead the gray color of Blender's region since nothing is actually drawn there by the BGE. To solve this, I just handle the frames in BL_KetsjiEmbedStart.