feat(URL): allow navigation using URL

Related to: #CAM-2586
fix(pile info): correct the z-index of hovered pile
fix(favicon): set the path to the favicon

and add the apple touch icons as well

related to: #CAM-2595
improve(sorting): allow setting the sorting from outside the widget
fix(process): start process who does not have a form
refactor(filters): remove the single filter directive

it was not really relevant to have 2 directives for the filters list
and was creating more complexity as flexibility
refactor(filter tasks): simplify and improve the filter tasks
improve(task): handle the task completion and events