utils/check_patch.py: Accept multiple patchwork patch IDs

Different from github, patches on patchwork are individual
and there's no concept of a patchset. Therefore, verifying
a large patchset is a painful process.

Make it easier by allowing to specify several IDs, separated
by comma.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
utils/test_importer.py: Fix bug importing control files into DB

Right now, the test importer will import all tests
as 'client' ones. Let's fix this by fixing mapping
between control file strings and test codes.

Signed-off-by: Julius Gawlas <julius.gawlas@hp.com>