Initial cut of snapshot worker processor.
Locking down the novaclient to the current version for now.
Ensure worker will not spin forever in the event of an error status.
Merge pull request #33 from esheffield/worker

Initial cut of snapshot worker processor.
Added support for the hacking and unused imports checkers. Fixed the problems they found.
Merged from master. Fixed conflicts and style violations
Removed NOVA specific refs, made hacking.py more generic.
Merge pull request #42 from esheffield/worker

Added support for the hacking and unused imports checkers.
Added logic and tests for handling job updates and timeouts.
Merge branch 'master' of git://github.com/rackspace-titan/qonos into worker
Addressing Nikhil's comments...
Fixing issue 50 - error when updating metadata with schedule
Fix failing test due to some time sensitivity
Addressing Nikhil's comments...
Merge branch 'worker' of github.com:esheffield/qonos into worker

Conflicts:
	qonos/tests/unit/worker/snapshot/test_snapshot.py
Fix failing test due to some time sensitivity
Merge branch 'sched_meta_update_fix' of github.com:esheffield/qonos into sched_meta_update_fix
Better session handling - make sure and use the correct session
Updated and expanded image status and error handling.
Update metadata handling to be consistent with Compute