rackerlabs/quark — pull request #165 by jmeridth (2014-07-22 20:31:07+00:00)
Title: Handle exceptions when deleting networks and ports with NVP

- if network/port doesn't exist in NVP anymore, delete from quark db
- if network/port does exist in NVP, delete from quark db and then add
info about it to new orphaned db tables for clean-up by sysadmins later

RM6485