CP-9092: XenCenter work for Dom0 memory usage alert
-Adding control domain memory usage alerts

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
CP-9092: XenCenter work for Dom0 memory usage alert
-Fixing ALERT_ALARM_DOM0_MEMORY_DEMAND_DESCRIPTION string.Format parameters

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
CP-9092: XenCenter work for Dom0 memory usage alert
-Fixing tab order

Signed-off-by: Gabor Apati-Nagy <gabor.apati-nagy@citrix.com>
Merge pull request #158 from GaborApatiNagy/alerts

CP-9092: XenCenter work for Dom0 memory usage alert