Changes to make the forums run using unicorn and
unix sockets.
fix permissions.
Test changes.
adjusting whitespace control
Merge pull request #754 from edx/e0d/whitespace-fix

adjusting whitespace control
non-empty default mysql password
Merge pull request #755 from edx/e0d/mysql-password

non-empty default mysql password
setting env var for migration password.
Merge pull request #756 from edx/e0d/migration-env

setting env var for migration password.
Making default passwds nonempty, ref in edxlocal.
Merge pull request #757 from edx/e0d/password-fix

Making default passwds nonempty, ref in edxlocal.
add user specification.
Merge pull request #758 from edx/e0d/db-users

add user specification.
check out the release branch for devstack
setting configuration_version in vagrant-devstack to release
Merge pull request #759 from edx/jarv/change-devstack-to-release

check out the release branch for devstack
Add more info for noops.
Pass a base_ami to abbey.
Update docs and remove deepcopy which we don't use.
More doc updates.