pep8 fixes
1]. Updating the delete_route_target.
Merge pull request #61 from ganeshahv/test_parallelism

1]. Updating the delete_route_target.
To incorporate new traffic flow logic
Merge pull request #62 from ganeshahv/test_parallelism

To incorporate new traffic flow logic
Fixing issues in FIP-ECMP case
Merge pull request #64 from ganeshahv/test_parallelism

Fixing issues in FIP-ECMP case
Merge remote-tracking branch 'upstream/test_parallelism' into test_parallelism
Merge pull request #60 from vedujoshi/test_parallelism

Add more neutron tests and supporting methods
Rename and admin_state_up testcases
Merge pull request #65 from krharsh/test_parallelism

Rename and admin_state_up testcases
Removing dummy results from test reports
Merge remote-tracking branch 'upstream/test_parallelism' into test_parallelism
Merge pull request #66 from sandip-d/test_parallelism

Removing dummy results from test reports
add new functions to get matching_flow_count & max_flow_removal_time
1. pep8 fixes
2. use tempfile module to manage temporary agent config files
3. add new function to get matching flow count from vrouter
add new test to verify max_vm_flows & flow_cache_tineout based on agent config file settings
add new option to skip sleeping for a minute in stopTraffic, if the test is not interested in recd. pkt count..
Merge pull request #67 from smusuvat/test_parallelism

Test parallelism
Add a test test_router_with_existing_ports, enhance existing router case to check for gateway IP on port

Change-Id: Ibdd879e0907b7b23f669701e4c953e8b1dada110