fixes #14253 - add attr_accessible to Widget

Add position/view related attributes to widget as accessible attributes
and protect data such as template and name. Under Rail 4.2, saving the
dashboard was failing due to attribute protection, so new functional...

Refs #7726 - Improve select all for filtered multi-select

Fixes #14183 - showing whitespace validation in smart variables

Fixes #14102 - Full location and organization passed as YAML to the ENC

Fixes #13091 - Paginate VMs for supporting compute resources

Loading all VMs for the compute resource view can be a very heavy task,
which leads to timeouts when attempting to load all VMs for a compute
resource that has many hundreds or thousands of VMs. This patch allows...

fixes #14239 - when creating host from API, set first interface as primary if none set

Refs #14204 - safer libvirt bridge detection

Fixes #14240 - added :server_type attribute to API rabl

Fixes #14237 - Missing tag for hosts/welcome.html.erb

fixes #13066 - Improve readability of blank slate pages

Increase font size and reduce width of description of blank slate pages
to improve readability.