Added keypress event (it was interpreted as keydown) and renamed mousewheel

For consistency with browsers (except Firefox).
Also fixed SetWindowTitle in the example.
Added linkers flags for GLFW3 on linux.
More readable this way
GetMonitors() and monitor index argument for CreateWindow()
Merge branch 'master' of github.com:DiThi/node-glfw into DiThi-master

Conflicts:
	binding.gyp
	src/glfw.cc
	test/test.js