Adjust vagrant provision scripts so they can be run repeatedly.
Source .bashrc so RVM gets loaded up.
Merge pull request #77 from churchio/vagrant-provision

Adjust vagrant provision scripts so they can be run repeatedly.
Update readme with more Vagrant help.
Fix problem loading rvm the first time.
Fix bug setting secrets.yml
Kill existing rails server if already running.
Merge branch 'master' into redesign
Add .powenv for using Pow with RVM.