add GPLv2 license file
add ability to disable stp on bridge for recreate purposes.
update cl_interace library file
Remove the need for a parallel set of python modules

Instead use a script that sets up the test environment as needed and
then runs the tests within that environment.

Signed-off-by: Jonathan Toppins <jtoppins@cumulusnetworks.com>
fix tests on cl_interface after last change
update statement on runtests.py
Merge branch 'devel'

Conflicts:
	dev_modules/cl_prefix_check.py