2.5: merge with trunk, previous merge was only up to yesterday.

svn merge https://svn.blender.org/svnroot/bf-blender/trunk/blender -r17416:HEAD

source/blender/render/intern/source/convertblender.c

@@ -2271,6 +2271,7 @@ static void displace_render_face(Render *re, ObjectRen *obr, VlakRen *vlr, float
 
 	shi.vlr= vlr;		/* current render face */
 	shi.mat= vlr->mat;		/* current input material */
+	shi.thread= 0;
 	
 	/* Displace the verts, flag is set when done */
 	if (!vlr->v1->flag)
@@ -4406,6 +4407,7 @@ void RE_Database_Free(Render *re)
 
 	end_radio_render();
 	end_render_materials();
+	end_render_textures();
 	
 	if(re->wrld.aosphere) {
 		MEM_freeN(re->wrld.aosphere);