Added flow tables for route ingress/egress translation.
Added translation layer to route ingress/egress.
Fixed table name in spec.
Load translations based on loaded interfaces.
Added translations api.
Changed the interface id in vlan_translations to translation id.
Merge remote branch 'origin/master' into feature-translation-tables
Verify the translation mode when adding vlan translations.
Merge pull request #162 from axsh/feature-translation-tables

Feature translation tables
Merge branch 'master' into refactor-security-groups