move internal metrics to web layer
fill internal metrics for /running /services and /service/[id]
Merge pull request #895 from control-center/feature/zeroY2

Feature/zero y2
Fix ZEN-13733; retry GetServicedEndpoints() in handleControlCenterImports() every second for one minute
Merge pull request #901 from control-center/feature/ZEN-13733

Fix ZEN-13733; retry GetServicedEndpoints()
Rename Inspect to ContainerInspect

To disambiguate future ImageInspect operations
Add ImageInspect
Add docker ImageHistory routines
Add ImageLayerCount to dao
Add layer count check/warning on commit
ZEN-13334: Support a 'Default' Instances attribute in service definitions
Merge pull request #893 from control-center/feature/ZEN-10516

Feature/zen 10516
Merge pull request #898 from control-center/feature/makeDefaultNumberOfInstances

ZEN-13334: Support a 'Default' Instances attribute in service definition...
ZEN-10812 Hosts store and present interface MACAddresses
Merge pull request #903 from control-center/feature/ZEN-13444

Emit warning on too many image layers
make flattenTree sort recursive
make flattenTree sort recursive
Merge pull request #904 from control-center/feature/ZEN-10812_2

ZEN-10812 Hosts store and present interface MACAddresses
Merge pull request #905 from control-center/fix/zen-11129

Fix/zen 11129
checking vhost is started in zookeeper for validation