Reduce logging noise in MCollective agent

Remove the full object graph dump from the agent logging calls. Keep
only the minimum relevant information.
Merge pull request #1228 from ironcladlou/agent-logging-reduction

Merged by openshift-bot
Bug 894230
Use strong consistency properly and when creating an app
Merge pull request #1229 from danmcp/master

Bug 894230
removing legacy broker rest api