Merging r6468 through r6476 from trunk to ogl-es branch

Note: Not yet using latest changes to IMaterialRendererServices in ES2 driver


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6477 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CQ3LevelMesh.cpp

@@ -952,7 +952,7 @@ scene::SMesh** CQ3LevelMesh::buildMesh(s32 num)
 						item[g].index != E_Q3_MESH_FOG ? material : material2 );
 				}
 
-				// create a seperate mesh buffer
+				// create a separate mesh buffer
 				if ( 0 == buffer )
 				{
 					buffer = new scene::SMeshBufferLightMap();