Update auroraagent to begin handling commands such as modify-slice.  Update dispatcher to better track status of channel and connection, restart when required.  Add tenant_id passing from client to manager, add checking in manager for existance of tenant_id, otherwise assign default -1.
Merge branch 'dev' of https://github.com/savi-bcrl/aurora into dev
Fix previous botched merge when adding hint funcitonality to client, manager