Fixes #16782 - reset dhcp record cache after mac change

(cherry picked from commit 969832057c5ea6a1f84eaf5c53f5cdc7ee445af2)

fixes #16580 - redact BMC password in ENC/templates with setting

Passwords stored against BMC NICs are accessible by default via
nic.password in a template, even in safe mode (861a03b), and are also
exported in the ENC output. A new bmc_credentials_accessible setting...

Fixes #13768 - random and MAC-based name generator

fixes #14666 - support IPv6 in UI

Fixes #4477 - Host[group] form only show authorized resources

Previously, most dropdowns in the host and hostgroup edit forms
displayed all of the existing resources, including some that a user may
not have been authorized to view.
This commit makes sure only authorized resources are displayed, with the...

fixes #14202 - enable select2 in interfaces modal

Reverts commit 44723b9 and re-enables select2 in the interfaces modal,
instead fixing the issue with the NIC table detail lines to read the
network information out of select2 dropdown menus correctly.

fixes #14041 - don't call select2 on CR form templates

select2 must be called only when the select becomes visible, not for
hidden template elements. add_child_node() already does when adding a
new set of fields from the template. without_select2 is removed from...

Fixes #13343 - Compute resource network modal is misaligned

Notice I also changed the help inline to be a popover, as per
Patternfly's recommendation -
https://www.patternfly.org/patterns/field-level-help/

Before: http://i.imgur.com/tVokboI.png
After fixing: http://i.imgur.com/AJusnmF.png

Fixes #4629 - Migrate UI to Patternfly

Fixes #7463 - Add basic support for bridges