merge commit
added --logging_level arg to set python logging level.  Added log.INFO messages when connecting to redis, ifmap, cassandra, and zookeeper
Fix compilation error
Merge pull request #315 from praveenkv/master

Fix compilation error
Merge branch 'master' into ashoksr_ut
Expand the prefix to ip address. e.g. 8/8 becomes 8.0.0.0/8
Merge pull request #311 from manishsing/master

add UT cases
Merge remote branch 'upstream/master'
Increasing the Cfg stale timeout from 2 minutes to 15 minutes
* Increase vrf delete timeout to 15 minutes
Merge pull request #310 from noelbk/master

Added logging to api server when connecting to redis, cassandra, ifmap, and zookeeper
Merge pull request #316 from Juniper/subnet

Expand the prefix to ip address. e.g. 8/8 becomes 8.0.0.0/8
Merge pull request #317 from divakardhar/master

Increasing the Cfg stale timeout from 2 minutes to 15 minutes
Merge pull request #318 from naveen-n/master

* Increase vrf delete timeout to 15 minutes
Remove unused field AgentRouteData::Op
Remove unused code in RouteDelete and AgentRouteTable::Input
Add tests for nova cfg connect/keepalive
Merge pull request #319 from Juniper/add_test_cases

Add tests for nova cfg connect/keepalive
fixing build break
Merge pull request #320 from Juniper/psethi_build_fix

fixing build break
Use the discovery client from api-venv instead of system discoveryclient