spec: added deps on abrt-python - closes rhbz#1008182

Signed-off-by: Jiri Moskovcak <jmoskovc@redhat.com>
Merge pull request #704 from abrt/rhbz1008182

spec: added deps on abrt-python - closes rhbz#1008182

Signed-off-by: Jiri Moskovcak <jmoskovc@redhat.com>