-Add support to filter network offerings based on whether security
groups is checked; options then come from a separate
'securityGroupNetworkOfferings' object:
args.response.success({
domains: domainObjs,
// Non-security-group-enabled offerings
networkOfferings: networkOfferingObjs,
// Security group-enabled offerings
securityGroupNetworkOfferings: []
});
-Remove old/unused fields from wizard
-Add new info 'bubbles' to zone chart
-Add/restore Add Pod section as step 3 of zone wizard UI
-Add network offering drop-down to zone wizard, for basic zone
