enable cirros L2 guestvm and reduce nova workers to 2

Change-Id: I7ab05204847be1168291fcbd432aaef326c1c3a4
service template config
Merge branch 'master' of github.com:Juniper/contrail-infra-config
Merge pull request #21 from vmahuli/master

removing unwanted exit status check
Flag error if flaky tests don't compile
Merge pull request #22 from Juniper/kparmar-cirrosandworkers-master

enable cirros L2 guestvm and reduce nova workers to 2
Do not use venv for R1.1
Merge remote-tracking branch 'upstream/master'
Log jenkins job URL as soon as the job starts
revert last change
Fix syntax issue
Use CHANGE_ID to log message
Merge remote-tracking branch 'upstream/master'
adding unit tests for contrail-web repos
adding unit tests for contrail-web repos
adding unit tests for contrail-web repos