modified:   Vagrantfile
use smaller clusterhq mongo image
reference clusterhq/mongodb image in place of old mongodb-tutorial image
Suggest that release should be performed on a flocker development vm
Reminder to authenticate gsutil
Fix typo
Better formatting of RPM preparations
	modified:   tutorial/Vagrantfile
	modified:   tutorial/volume-application.yml
Merge remote-tracking branch 'refs/remotes/origin/master' into mongo-tutorial-vagrantfile-383
We don't need vagrant-cachier any more.
Add Talk to Us from README
Start of linking to 'talk to us' from Tutorial
change references to dockerfile/mongodb image to clusterhq/mongodb
	modified:   volumes.rst
Merge branch 'mongo-tutorial-vagrantfile-383' of github.com:ClusterHQ/flocker into mongo-tutorial-vagrantfile-383
Start of putting get in touch URL in one specific help
Link to talk to us from flocker-deploy --help
Unrelated but I saw a full stop with an erroneous space before it
Link to talk to us from tutorial index
Removed useless backticks
capitalise Vagrant