new SG testcases and other changes..
added tags for sanity cases
removed installing traffic to each VM and creating unique policy name for each testcase
Merge pull request #9 from smusuvat/test_parallelism

add __init__.py for new folder, remove relative path in import
Merge pull request #10 from alokkumar223/test_parallelism

new SG testcases and other changes..
added more SG test
Merge pull request #11 from alokkumar223/test_parallelism

new sg tests
file needs to be in append mode.Else, logs might be overwritten in case of concurrency > number of cores
Added code to fix the failure in parallel branch
Merge pull request #12 from ruchi123/test_parallelism

Added code to fix the failure in parallel branch
replace direct neutron call for list_policys with local call, which calls with current tenant scope