workflows: holding pen changes and additions

• Creates a standard structure for widgets rendering and resolving.

• Adds installation of ColVis and Bootstrap themed DataTables.

• Adds color on hover in table and several keybindings, like select several rows with shift plus arrow key, escape for deselecting rows etc.

• Adds new batch Approval widget

• Adds filtering with tags in UI display.

• Simplifies several methods in HP blueprint

• Removes old references to BibWorkflow elements in templates and views.

• Fixes several CSS and JS inclusions in templates.

• Makes URLs configurable where applicable.

• Fixes bad import statements in widgets.

• Creates a standard structure for widgets rendering and resolving.

• Adds breadcrumbs, timeago, alerts.

• Fixes sorting, pretty_date and css.

• Several improvements in HP templates

• Adds color on hover in table and several keybindings, like select several rows with shift plus arrow key, escape for deselecting rows etc.

• Adds new batch Approval widget

• Adds filtering with tags in UI display.

• Simplifies several methods in HP blueprint.

• Removes old references to BibWorkflow elements in templates and views.

• Moves JS files from old to new structure.

• Fixes several CSS and JS inclusions in templates.

Co-authored-by: Konstantinos Kousidis <konstantinos.kousidis@cern.ch>
Co-authored-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Co-authored-by: Jiri Kuncar <jiri.kuncar@cern.ch>