added some tests
changed library arch
changed add serial port
changes in test_install_vyatta
Refactor deployment script.
Write deploy method
Testing parallel run
Merge remote-tracking branch 'origin/master'

Conflicts:
	lib/deployment.py
Refactored deploymentlib tests after change in library logic
Removed unused test
Refactored tests after change in script logic
Removed unused test
Refactored
Refactored