Merging r6405 through r6424 from trunk to ogl-es branch

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6425 dfc29bdd-3216-0410-991c-e03cc46cb475

include/CMeshBuffer.h

@@ -176,6 +176,17 @@ namespace scene
 			return Vertices[i].TCoords;
 		}
 
+		//! returns color of vertex i
+		virtual video::SColor& getColor(u32 i) IRR_OVERRIDE
+		{
+			return Vertices[i].Color;
+		}
+
+		//! returns color of vertex i
+		virtual const video::SColor& getColor(u32 i) const IRR_OVERRIDE
+		{
+			return Vertices[i].Color;
+		}
 
 		//! Append the vertices and indices to the current buffer
 		/** Only works for compatible types, i.e. either the same type