#487 Allow NFS mounts within the cinder-volumes container
Changes frozen repo to point to mirror.rackspace.com

The rpc-slushee.rackspace.com has numerous issues, so
we have created mirror.rackspace.com/rackspaceprivatecloud
to address those issues.  All instances of rpc-slushee
have been replaced.
Add variable for galera wait_timeout

Related: #457
Merge pull request #528 from d34dh0r53/pr-527

Changes frozen repo to point to mirror.rackspace.com
Add /var/cache/swift as a directory

* Servers require access to /var/cache/swift
* Directory will now exist and be owned by swift

Fixes #545
Add 'devices' option to the replicator conf file

* Fixes issue where replicators are ignoring drives
* devices option needs to be present in both confs.

Fixes #548
Merge pull request #546 from andymcc/cache_fix

Add /var/cache/swift as a directory
Merge pull request #505 from BjoernT/issue487

Allow NFS mounts within the cinder-volumes container
Merge pull request #539 from hughsaunders/457

Add variable for galera wait_timeout
Merge pull request #549 from andymcc/repl_mount_check

Add 'devices' option to the replicator conf file
Ensure LOG_LOCAL settings are consistent for swift

* Ensure all logs for specific servers go to the appropriate places
* Adjust LOG_LOCAL settings to be consistent

Fixes #550
Merge pull request #551 from andymcc/swift_log_fix

Ensure LOG_LOCAL settings are consistent for swift