Fixed listAutoScaleVmGroups: used to return incorrect value in lbruleid field (wrong parameter was used when search in firewall_rules table - profileId instead of lbRuleId)
generateAlert API: set max value of "description" parameter to match correspondig field's length in VO object
CLOUDSTACK-5995 ; change service offering is not honouring host tags

- Check host tag when the lastHostId is set.