Add default values
Merge branch 'master' into db-table-refactoring
Fix a bug
Refactor and Add spec for Vnet::NodeApi::LeasePolicy
Merge pull request #202 from axsh/db-table-refactoring

Db table refactoring
Rename ip_ranges_ranges to ip_range_ranges
Refactor api
Merge pull request #203 from axsh/refactor-lease-policy

Refactor lease policy
Merge remote branch 'origin/master' into refactor-other-managers