fixes #812 - new permissions model, user group role and nest support, role filters for better granularity

• Daniel Lobato <elobatocs@gmail.com>
• Joseph Magen <jmagen@redhat.com>
• Tom McKay <thomasmckay@redhat.com>
• Greg Sutcliffe <gsutclif@redhat.com>...

fixes #4393 - rename ancestry label to title

fixes #4015 - support oVirt using templates like images

fixes #3912 - add inheritance for locations / organizations

templates - sync from community-templates

fixes #4186 - db:seed fails when install media exists with same URL

templates - sync from community-templates

fixes #3906 - Support for Junos ZTP

Fixes #3927 - Allow VMs to provision via user-data

fixes #3975 - add audit to classes Domain, Subnet, SmartProxy, Role, Usergroup, AuthSource, Image, Bookmark that were not audited