this allows us to SSH into the box and run Fabric scripts against it
do all the bootstrapping of the machine with Fabric not Vagrant
still missing configuration of target and setup of celery, nginx and secrets (see bottom of file)
tone down the log messages which IMHO are too verbose to be useful
Merge pull request #66 from edx/dev

Dev
Merge remote-tracking branch 'origin/nate-vagrant-feature' into vik/vagrant_merge_branch

Conflicts:
	fabfile.py
Fabfile cleanup
Merge pull request #68 from edx/vik/vagrant_merge_branch

Vik/vagrant merge branch
Add in delete action for courses