genisoimage, libcdio, and psmisc added as build deps so iso9660 tests run.
Replace pystache requirement with jinja2.
glibc-all-langpacks added as build dep for F30+ so vmimage tests run.
python2-resultsdb_api package has been removed in F30 so
python2-avocado-plugins-resultsdb was also disabled.
Signed-off-by: Merlin Mathesius <mmathesi@redhat.com>
