- Add libjuju.py to encapsulate all code related with the communication using libjuju
- Replace juju_observer with juju_watcher
- Add utils with some utilities like EntityType, FinalStatus, and JujuStatusToOSM
Change-Id: I5d46ad65d6ed37b49bf2504209bfdd46d1b5a7e4 Signed-off-by: David Garcia <david.garcia@canonical.com>