Added forcing of swap interval on DWM composition.
Fixed window positioning on OS X.
Added blank cursor creation error checking on X11.
Enabled OpenGL 3.x and 4.x context on OS X 10.9.
Updated references to OS X (previously Mac OS X).
Fixed documentation tag name.
Updated OS X OpenGL compatibility docs.
Moved to auto-updated docs URLs.
Merge pull request #86 from siavashserver/master

Added utility functions for X11 error handler.
Cleaned up X error handler work.
Tagged close flag for use from secondary threads.
Added GLFW_OPENED to transition guide.
Added code to support creating an Nvidia gpu affinity context
Merge remote-tracking branch 'upstream/master'
Added missing break in switch statement
Previously was setup for offscreen rendering. Fixed it to use on screen
Updated comment
Added native api method to get wgl dc