Fixes #7456 - Extract primary interface from host

• Tomas Strachota (tstrachota) <tstrachota@redhat.com>
• Marek Hulán (ares) <mhulan@redhat.com>
• Gregory Sutcliffe (GregSutcliffe) <gsutclif@redhat.com>

All host must have at least one primary interface and one provision (can...

Fixes #8970 - fixed second click on two-pane link

Fixes #8830 - Allow two-pane to work on show

fixes #8802 - add Turbolinks support

fixes #8822 - append target=_blank to all links with rel-external

Fixes #8786 - Show override button after removing overridden parameter

After a parameter is overridden in a host or host group, if one wants to
revert the decision and return to the inherited parameter, it was
necessary to reload the page after clicking on remove. This commit...

fixes #7652 - Implements CoreOS OS support

Fixes #8804 - Align the dashboard to bootstrap columns

fixes #6540, #8335 - Add error to vmware when no datacenter, save password when testing connection

fixes #8049 - Add timezone to user