bugzilla: strip function arguments when creating ticket

Long lists of arguments were causing ticket body to be too long.

Signed-off-by: Richard Marko <rmarko@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
bugzilla: skip problems with kb entries

Closes #167.

Signed-off-by: Richard Marko <rmarko@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>