Monkey patch race condition in Telephus/Thrift on Cassandra connection failure
Merge pull request #110 from Metaswitch/issue105

[Reviewer Rob] Monkey patch race condition in Telephus/Thrift on Cassandra connection failure
If the zmq bind fails, log it and carry on
Use XPUB_VERBOSE
Merge pull request #114 from Metaswitch/zmq_bind_exception

[Reviewer: Mike] If the zmq bind fails, log it and carry on
Fix backups with new schema
Recreate HSS connection if that connection is lost
On exception, simply do a debug log and 503 error rather than logging a traceback and internal server error
Comment about changes to keyspaces requiring backup script checks
Merge pull request #115 from Metaswitch/issue113

[Reviewer: Alex] Fix backups with new schema
Merge pull request #116 from Metaswitch/handle_hss_restart

[Reviewer: Andy] Handle HSS restart
Merge branch 'dev' into aka_hss

Conflicts:
	src/metaswitch/crest/api/homestead/backends/hss/backend.py
	src/metaswitch/crest/api/homestead/backends/hss/gateway.py
Various minor fixes