Image loading utililities (supports TGA and PNG). Infer type from magic number / extension.
Add rapidxml header library.
Added glfont object based on GLFont from branch of glConsole.
Added jpeg support to image_load.cpp.
Add ppm and tiff magic/extension recognition.
Fix JPEG guard.
Some small additions to rapidxml to support type conversion.
Made glfont android compatible.
Use GlTexture to simplify glfont. Introduce boost/c++11 compat file (with alias boostd).
More GlFont tidying. Split into multiple headers. Introduced GlText for accelerated string rendering.
Added more flexible GlText drawing methods.
Fix FindGLEW cmake variable. _PATH -> _DIR.