Add template and pagetype info to content tab

• add edit button to edit template and pagetype and reload page
• replace page_type and template selects by static vars set in fill_data
• WIP: modal dialog with page_type and template selects needs to be implemented
add dedicated template with form fields

• for page_type and templates
• move page_type info in accordion heading to front
wip
fix change of page_type or template

• with separate dialog
• open: the content area should be reloaded
Merge branch 'edit_pagetype_and_template'

• the template and pagetype dropdowns are handled in a separate dialog
• save and reload page

Conflicts:
	modules/widget/page_detail/templates/edit.tmpl