Fixes #3951 - reverting compatibility with newer jQuery

fixes #13567 - fixing locale:pack

apparently, the PO generator treats underscore as something important,
it assumes it's the GetText underscore method, thus, breaking
things in a spactacular way.
removing it solves it.

Fixes #12393 - Clarify parameter override count column header

fixes #13729 - fix typo in images header HTML

Fixes #13426 - Change status colors to adapt to Patternfly palette

The status colors are a bit off from the colors suggested in the palette.
https://www.patternfly.org/styles/color-palette/

Fixes #13557 - Rubocop enforce specifying a timezone

Rubocop can enforce what timezone to store in the database ,
so we can ensure everything is stored using UTC and we don't
miss these things in code reviews. When objects are displayed,
they must use the time provided by set_timezone in the...

Fixes #13353 - Correctly handle widget dragging in dashboard

Fixes #9553 - Remove workaround for older json version

We already use json 1.8, this workaround is no longer needed.

fixes #13409 - remove early initialisation of test DB

All models etc. referenced within the Rails environment startup,
including in initialisers should load without making any reference to
the database. This ensures when running `rake test` without a test DB...

Fixes #13356 - OpenStack volumes API v2 needs :name

Our code in uses :display_name as the name attribute to create
Openstack volumes.

Notice volume v2 API requires :name, while v1 just needs :display_name
https://github.com/fog/fog/blob/master/lib/fog/openstack/models/volume_v1/volume.rb...