our spec files conflict with filesystem package in centos7: we set permission
755 for /usr/bin and /usr/lib whereas filesystem set it to 555.

So to be compatible with both centos7 and others we simply ignore theses
directories

Added tag cubicweb-link-version-1.7.1, cubicweb-link-debian-version-1.7.1-1, cubicweb-link-centos-version-1.7.1-1 for changeset f70bb6d50f30

Use python-support to ship and clean up pyc files properly
Update debhelper compat and policy version
Add (no-op) build-arch target

Added tag cubicweb-link-version-1.7.0, cubicweb-link-debian-version-1.7.0-1 for changeset 39cc49cfbdda

instead of bookmark.FollowAction (which makes no real sense); kill
the actual_url method (now useless).