Fixed various Cocoa editing slip-ups.
Refreshed Doxyfile.
Fixed inconsistent coordinate parameter names.
Removed string for impossible configuration.

The GLX platform header throws an #error if no extension retrieval
mechanism is selected.
Win32 display enum nomenclature fix.
Replaced event poll with wait in gamma test.
Made gamma ramp functions per-monitor.
Version string fixes.
Documentation work.

Enabled Doxygen tree view, added CMake options for native and internal
modules, improved internal and native documentation.
Added note on using GLFW from CMake.
Made reopen test pick a monitor at random.
Moved Cocoa joystick state to library struct.
Tagged functions one may not call from callbacks.
Added GLFW_INCLUDE_ES3.
Formatted change log.
Added GLFW_REPEAT.
Added VS 2012-specific entries to .gitignore.
Fixed uses of wrong loop variable.
Merge pull request #35 from eropple/vs2012-gitignore

Added VS 2012-specific entries to .gitignore.
Added credit.