Fixed AltGr on Windows.
Clarified comment.
Added filtering of duplicate key releases.
Removed deprecated key aliases.
Documented not freeing returned values.
Clarified default profile token name.
Removed reconfiguration callback.

The Core Graphics callback is called before the corresponding NSScreen
object for a newly connected monitor is created, thus making monitor
enumeration fail.
Documentation work.
Documentation work.
Documentation work.
Added scancode to key callback.
Added key input to quick tutorial.
Hooked up monitor callback on OS X.
Merge branch 'master' of https://github.com/glfw/glfw