fixing taskmanager exception after migration is complete

fixes bug #1172478

Change-Id: Ic537ddc6a9405f1443c315697555060c0c1d1f73
Remove unused authutils.

This module was being imported from oslo-incubator, but was not used
anywhere.

Change-Id: I0e0c410404cbdb8b3c0281bd1ad07b46d3083314
Makes the guest work for more than just mysql.

* Moved code around to accomplish this
* Renamed a few msyql specific methods
* Used the guest_info config file since it contained
  the service_type already

implements blueprint reddwarf/guest-multi-impl

Change-Id: I12a1f08499355802dba35ca14ec38b8f0dc5dfa4
Merge "fixing taskmanager exception after migration is complete"
Merge "Remove unused authutils."
Refreshed Oslo Code

    Change to auth_tok to auth_token
    Added dependency on oslo.config package
    Remove reddwarf.openstack.common.cfg

Change-Id: I61af7a54d09f3d1d6b6efe470ea6308be8ace2e7
Fixes: bug #1175757
Controller and API changes for backups.

-API controller for backups
-adding swift url to the config
-Fixing failing tests
-Renaming 'instance' param.
 Checking for NotFound models so that the returned error is friendly
-adding feature to list all backups from a specific instance
-Adding checks for creating/deleting/restoring backups when it is not completed
-Adding unit tests for backup controller
-adding check to see if file is in swift
-Adding skeleton code for delete backup in the task manager
-Fixed backups API to pass in the backup_id during create_backup.
-adding int tests for backup controller
-Adding backup list and delete int tests
-Adding list backups for instance test
-Adding quota for create backup

BP: https://blueprints.launchpad.net/reddwarf/+spec/consistent-snapshots

Change-Id: I35c2fefcce4b3009e76ba7232c52dabf502a3ac0
return instances associated to a config grp
fix merge conflicts