Added lib glut and GL
Merge branch 'master' of github.com:libremapping/libremapping

Conflicts:
	prototypes/wx-01-simple/build.sh
Fixed problem where the key events were not catched due to focus not being reset (see http://wxwidgets.10942.n7.nabble.com/wxGLCanvas-Key-events-broken-with-2-8-td25420.html)