Add initial rules for Jenkins console output parsing.
Add link to configuration instructions.
Removed existence check for dpkg-parsechangelog.

If-clause causes problems when trying to import variables into chroot.

Signed-off-by: Ville Korhonen <ville.korhonen@ylioppilastutkinto.fi>
Merge branch 'master' into fix/lightdm-breaks-debbug-762211

* master:
  Removed existence check for dpkg-parsechangelog.
  Add link to configuration instructions.
  Add initial rules for Jenkins console output parsing.