Revert "[chef nginx::proxy] binds nginx to port 80"

This reverts commit af282265d6ee69298f248837033664b9fa7f6440.
Revert "[vagrant] forwards port 80 to http_port"

This reverts commit 5abd83464990062da3706c1fe9f1728a8d79b6bf.

Conflicts:
	Vagrantfile
[chef] changes apache port (and all references) to 42
[vagrant] throw error when http_port is set to a reserved port
[chef] restart services instead of reloading them