Add timestamp fields for neutron ext resources

Propose a new extension named "timestamp_ext" to add timestamp to
neutron ext resources like router/floatingip/security_group/security_group_rule.

APIImpact
DocImpact: Neutron ext resources now contain 'timestamp' fields like
           'created_at' and 'updated_at'
Implements: blueprint add-neutron-extension-resource-timestamp

Change-Id: I78b00516e31ce83376d37f57299b2229b6fb8fcf
1 file changed
tree: b2606b37d1dda289959c96ffcd6ff110b37234a1
  1. neutron/