Fix box URL
Change vagrant doc url to most recent, add info about version used
Add Debian 7 to documentation, rename debian to debian6
Add comments in Vagrantfile
Correct indentation
No more errors on install
Merge branch 'branches/rudder/2.4' into branches/rudder/2.6

Conflicts:
	Vagrantfile
	provision/node.sh
	provision/node_centos5.sh
	provision/node_centos6.sh
	provision/node_sles11.sh
	provision/node_ubuntu.sh
	provision/server.sh
	provision/server_centos6.sh
	provision/server_sles11.sh
	provision/server_ubuntu.sh