Provision test cleanup
Merge pull request #1382 from psav/provision_cleanup

Provision test cleanup
Fix host prov
Merge pull request #1387 from psav/provision_cleanup

[WIP] - Fix host prov
Sprout - the appliance spring server
More granularity and idempotence
Remove task interleaving
Remove task interleaving
Further task rework
Shepherd goes every ~60s so no need to call it here
Additional polishing
Use proper django timezone datetime
Task overhaul:
* removed single_shared_task - that needed some tweaking in mgmt_sys for retrieving IP address
* All relevant tasks now set status messages
* And other stuff
More preloaded modules; Task fixes
.kill transformed to classmethod
More checking of existing objects
Make sprout work for 1 appliance; DRY the diaper pattern to utils.
Additional tweaks
Move IP address retrieval
Initial scheduler modification