allow to build tilerenderer & makefile cleanup

Change-Id: I1eb6d19d17ff3cff1f621d8ace6fde7c64850799
implement ANCIENT_GL

Change-Id: I9cbee9f2b89cec417677f0d0dbd461caa4a3e667
tilerenderer: fix include path

Change-Id: I8707b92de2e0ca02f4e6475919ce8449f2985666