Fixes #14341 - List all images for compute resource

Previously, the listing was paginated, but since the table is loaded
via ajax and handled by datatables, the pagination had no effect,
leading to a list limited to the max per page (20 usually).
Also, improved the lookup to only bring the needed data.

Fixes #12979 - Create helper for "new" button

Previously the button classes were applied to new buttons using jQuery.
This commit creates a `new_link` helper that makes sure all new buttons
will receive the correct class and only display if authorized. Also a...

fixes #13729 - fix typo in images header HTML

Fixes #4629 - Migrate UI to Patternfly

Fixes #7574 - Rails 4 :data attributes substitute deprecated HTML options

Fixes #10072: Support for user-data during image-based provisioning with libvirt (used for creating of Atomic libvirt VM)

Fixes #8601 - Cloudinit userdata in VMware

Fixes #8785 - HTML syntax fixes - add thead/tbody, fix formatting

Fixes #7588 - pagination info not a button and aligned

fixes #2438 - Add image build capability to vsphere using templates