addressed review comments

Change-Id: I4e270b70462bd04f575cc43ea9c5e53169a50fb7
Do better pattern match to find failed unit test
Do better pattern match to find failed unit test
Copy ssh keys after a sub-slave is brought up
Copy ssh keys after a sub-slave is brought up
Use rsync with checksum instead of plain scp when copying keys
Try dpkg -i contrail-install image 3 times, as it some times fails for unknown reasons
- delete cassandra Db upon contrail stop
Merge branch 'master' of github.com:Juniper/contrail-infra-config
Archive both passed and failed unit test logs
Get stats out of both passed and failed unit tests
Run trusty-tahr job for changes to contrail-build, contrail-vrouter and contrail-packages repos
Archive /etc as well along with /var when systest fails
change file name
untar systest logs
Make sure that components remain up before starting sanity tests
Update log stats
Merge pull request #32 from Juniper/kp-consolelog1

addressed review comments
control-node keeps flapping to initialized state
remove stale files ...no longer needed