revisit includes
* replace some with forward decls
* enforce include squence
* add missing api decls
add missing include
try runtime error on unknown uniform instantiation
add help to some util classes and make cached value interface const
remove wgl and glx includes from global
Update README.md
adjust adaptive grid example (again)
Merge branch 'master' of https://github.com/hpicgs/glow.git
add basic doxygen target
ref #35, unify/add doxygen speak and syntax
refine config.cmake and example cmakes
ref #60 refine and extend interpolators
Add EXTRA_LIBS to libs
make x11 native windows almost work under os x
refine config.cmake and fix math macros
Fix compilation for linux
Make interation methods public to make Navigation usable
Merge branch 'mac_x11_port'
Move include of glxew
enforce forward decls