Removed the template string and moved things on to the template file in the test repo, <repo>/sanity_params.ini.sample
added stack_domain variable to template for identity v3.0 and email-to can now be a comma separated list of mailIds
loading pyvirtualdisplay and selenium is optional and needed for webui based testing alone. Have added is_gui_based_testing() in ContrailTestInit
Few code cleanups in the infra
Merge remote-tracking branch 'upstream/master'

Conflicts:
	tools/report_gen.py
Fixing merge conflicts
Merge remote-tracking branch 'upstream/master'

Conflicts:
	tools/report_gen.py
	tools/send_mail.py
Adding back webui_config flag and changing the api accordingly in test_init
Merge remote-tracking branch 'upstream/master'

Conflicts:
	fixtures/nova_test.py
Incorporating review comments
Merge pull request #159 from smurugap/master

template file related changes and few related fixes. check commit id for details.