Add debs for puppetdb_foreman

Fix changelog to puppetdb-foreman
Release 0.0.7
update foreman_dhcp_browser to 0.0.5
Bump nightly changelog to 1.6.0 to match VERSION
Add task refresh_usergroups to crons
Update to foreman_bootdisk 3.0.0
refs #6956 - rack 1.1 minimum required