GL_REGAL_proc_address extension adding glGetProcAddressREGAL
refresh GLEW and use glGetProcAddressREGAL in GLEW_REGAL mode
improved support of NV_path_rendering entry points
fix for glewinfo when using Regal on OSX
fix Linux build of RegalGLU and RegalGLUT
tiger example works on Linux and OSX now
Replaced mongoose code with civetweb (https://github.com/bel2125/civetweb)
Refreshed apitrace, GLEW, and FreeGLUT