Documentation updates.
Made the X keyboard extension required.
RandR and fallback path fixes.
Made client-side RandR and Xf86VidMode required.
Updated options for Universal build.
Replaced repeat kluge with detectable auto repeat.
X11 event comment cleanup.
Merge branch 'master' of github.com:elmindreda/glfw
Clarified CMake X extension error messages.
Documentation work.
Added documentation for native API.
Inclusion guard fixes.
Added support for GLESv1_CM and GLESv2 client libraries.
Removed internal fbconfig enum and selection.
Renamed context API init/terminate functions.
Removed superfluous whitespace.
Put window callbacks in a substruct.
Updated native API and merged into related files.
Added error for no selected client library.
Updated EGL config error message.