Initializing policy object to an empty list.
Test code for Headless Vrouter Testing and Compute Node fixture.
Review comments from Vedu incorporated.
Removing commented code.
Removing unnecessary imports.
Test code for Headless Vrouter Testing and Compute Node fixture.
Review comments from Vedu incorporated.
Removing commented code.
Removing unnecessary imports.
Importing policy_test_helper the right way.
Merge branch 'master' of github.com:ritamganguly/contrail-test-1
Test code for Headless Vrouter Testing and Compute Node fixture.
Review comments from Vedu incorporated.
Removing commented code.
Removing unnecessary imports.
Test code for Headless Vrouter Testing and Compute Node fixture.
Review comments from Vedu incorporated.
Removing commented code.
Removing unnecessary imports.
Removing:
1. unwanted vm ping test(negative).
2. unwanted updation of vm_node_ip field.
Merge branch 'master' of github.com:ritamganguly/contrail-test-1

Conflicts:
	fixtures/compute_node_test.py
	serial_scripts/headless_vrouter/test_headless_vrouter.py
Merge pull request #128 from ritamganguly/master

Test code for Headless Vrouter Testing.