re-license bindings under LGPLv2.1 + some minor changes

Conflicts:
	Makefile
	backendstore.go
	container.go
	examples/Makefile
	examples/console.go
	lxc.go
	lxc_test.go
get rid of long headers

Conflicts:
	const.go
	lxc_test.go
	type.go
	util.go
remove dead code