Add CRUD tests for neutron network,port,subnet, router and its supporting code

Change-Id: I2e22e4f3625e0bdf2a9033749f00f83c22526d16
Run autopep8 on neutron test code

Change-Id: If3aeafe3b9c65230ad08138340015b5843b7bcd1
Merge remote-tracking branch 'upstream/test_parallelism' into test_parallelism
Fix syntax issue in logging

Change-Id: I0a9169e9f31fbf4580d35f8feed9bdd0b4edf5b4
Merge pull request #49 from vedujoshi/test_parallelism

Add CRUD tests for network,port,subnet, router and its supporting code