Added tags for sanity for vpc
add parallel tests for serivechain mirror,initial checkin
In parallel invocations of paramiko.connect, it used to fail at times, retry in such a case
handle negative condition in _gather_details
,fix one of virtual testbed issue reported by Ananth
fix scp test
fix project_add_delete test
Merge remote-tracking branch 'upstream/test_parallelism' into test_parallelism
Merge pull request #463 from shettyp/test_parallelism

add parallel tests for serivechain mirror,initial checkin
Merge pull request #459 from ruchi123/test_parallelism

Added tags for sanity for vpc
Dont search image by using glance api by name. Handles case where there are duplicate images installed
Merge pull request #464 from vedujoshi/test_parallelism

In parallel invocations of paramiko.connect, it used to fail at times, r...
move creation of VN before SI launch
Merge pull request #466 from shettyp/test_parallelism

move creation of VN before SI launch
pep fixes for sdn_topo_setup
new file for compute node test