Formatting.
Added hack detecting ARB_compatibility.
Added note on profile detection.
Merge branch 'master' of https://github.com/glfw/glfw
Added explicit configuration header macro.
Moved version number macro to internal.h.

This lets alternative build environments avoid having to manually keep
track of which version of GLFW is being built.
Added manual compilation guide.
Manual compilation guide work.
Removed excuse.
Added reference to manual compilation guide.
Grammar fix.
Fixed news item tag name.
Added support for _NET_WM_BYPASS_COMPOSITOR.
Cleanup.
Updated swap interval notes.
Documented utility functions.
Clarified WGL missing OpenGL error.
Allow setting swap interval to zero on DWM.
Merge branch 'master' of https://github.com/glfw/glfw
Added notes on window refresh.