Fixes #14456 - Cleanup navbar handling code and style

Fixes #14686 - Allow scoped search on ID for organizations

Fixes #9584 - User email address length can be longer than 60

As far as I know, there's no need for this artificial limitation.

Fixes #14636 - correctly search puppet class on host form

Searching for puppet classes that were ellipsized did not work as
expected on the host edit form. This was due to the search looking only
in the span content which was truncated and did not contain the entire...

Fixes #6167 - 'Deployed on' dropdown in hosts/new form disabled until ajax on hostgroup_changed is resolved

Fixes #10605 - handle logout accessed by GET

Fixes #11434 - vdsmdummy interfaces are ignored

fixes #14640 - add missing whitespace to template text

provisioning template association text was missing whitespaces.

Fixes #14588 - introduce plugin API for extending template helpers

Fixes #14563 - Improve dashboard layout

The css used for calculating the dashboard layout is overcomplicated and
does not allow for more then 8 rows of widgets without breaking.
This PR cleans up useless code, allows up to 30 rows to be correctly
displayed, and displays widgets that are being dragged instead of only...