Update to shibboleth role and allow changing the template directory
adding bastion role and task to setup access to the dbs from it
allowing ansible-provision to do bare installations
adding verbose flag to provision run
local action for cert and key stat before copy
sudo false for stats
Merge pull request #3 from ovnicraft/master

Update
adding dependency for the user role so that bastion users are installed
renaming user_info to USER_INFO
add prod-ssh to our example edx config
Stanford README: update ansible commands
Added CAS settings to edxapp
Sleep between adding aws tags.
A var for the wait time.
force set to yes for key file update
Merge pull request #856 from edx/feanil/slow_down

Sleep between adding aws tags.
Break after tagging.
Merge pull request #857 from edx/feanil/fix_abbey

Break after tagging.
Replace null reference with empty string
Update cache prefix using EDXAPP_ENV_EXTRA_VARS.