For all planned Upgrade Decisions, create an event (messaging) for inform about the upgrade, with links to Accept/Reject it.

Conflicts:
	master/bt5/slapos_pdm/bt/revision

slapos_crm_monitoring is the place to include alarms that search/adjust annomalies (ie.: Lack of contact, bad allocation definition ....)

Conflicts:
	master/bt5/slapos_cloud/bt/revision
	master/bt5/slapos_pdm/bt/revision

Planned is introduced for indicate upgrade preparation or in fully automated scenarios to be the place to create messages/notificafications.

Only the ownder has access to the computer for perform such query, and depending of the logged user prevents us automation.

This is needed for auto-generate references

- Started Upgrade Decision trigger request or supply which include softwares on computers or change SR of the Hosting Subscriptions
- Alarm to process Started Upgrade Decisions

Tests still missing