feature #1772:Resize VM capacity (cpu, memory and vcpu) offline
feature #1722: Fix float parameter get
feature #1722: Use the right units for host update. Fix enforce in onevm command
feature #1722: 0 means keep current size for any attribute
Feature #1772: Minor edits
Feature #1772: Fix bug in RM, update VM owner/group quotas, not the caller's quotas.

Also take into account that we can delete users/groups and have orphan VMs
Feature #1772: Resize capacity enforce is mandatory for everyone, except for oneadmin
Feature #1772: Save updated quotas to the DB
Feature #1772: Additional sanity checks for new capacity.

Even if it was not updated, VCPU was inserted with value "0",
causing the next deployment to fail
Feature #1772: Add vm resize method to Java OCA
Merge remote-tracking branch 'origin/feature-1772'