Small logging imporovement

- imporoved logging of mangler errors
Generic search - view link

- add new getter for render link
Content link actions

- add css and links
Client actions and custom templates

- support for client side actions related to whole schema
- support for custom templates defined in data part
Hide footer, header of print page

- mozilla - add attrs moznomarginboxes mozdisallowselectionprint of html element
- chrome and other browsers - remove @page margin and set body margin