Merge tag 'upstream/0.7'

Upstream version 0.7
Imported Upstream version 0.7
Fix changelog
Add Replaces and Conflict rule.
Fix sysv init script to not run gunicorn as isso user.

As isso user gunicorn cannot create socket. Fix starts gunicorn as
root, gunicorn creates socket and drop to isso user.
Name argument seems to avoid start-stop-deamon from stopping gunicorn process.
Merge branch 'gunicorn'

Conflicts:
	debian/changelog
Imported Upstream version 0.7.1
Merge tag 'upstream/0.7.1'

Upstream version 0.7.1
Release 0.7.1