Add mouse.cpp, demo code taken from there:
http://r3dux.org/2011/05/simple-opengl-keyboard-and-mouse-fps-controls/
Fix header for GLee.
Hack up a Makefile for mouse.cpp.
Fix build under Fedora. Probably breaks Debian.
Fix whitespace in Makefile.
Add a .gitignore.
Include mouse in the default build process.