Added an exception to scl.py module, to not process an empty
yaml file, because of error from pykwalify. New exception
is handled when processing quarantine files, to allow
an empty file.
Signed-off-by: Grzegorz Chwierut <grzegorz.chwierut@nordicsemi.no>
Move the "module" classes used by sanitycheck into a new location under
pylib, where we can have other python libraries reside instead of having
them all over the place.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>