kill Template class and 'templates' registry

OWLABOX view doesn't layout anymore tbox. Indeed, it is better to separate abox from tbox.

small fix

remove old calendar code

update goa file

cleanup, update import

missing import

fix box selectors

JsonController: only return an ajaxHtmlHead div if extra resources are needed

fix unittest_widgets.py: remove stupid (copy/paste) now().strftime call

fix unittest_widgets.py: the cubicweb-page-template format is only available when simpleTAL is found

set a default selector on base app objects class

assert __select__ is callable

update import

use extra_kwargs attribute namte

test update

update import

fix page_size handling, use abstract_has_related_entities

fix State's RichString definition: 'default' was used instead of 'default_format'

remove buggy unittest_owl

require explicit registration control

restore appropriate in State's incontext view, moved it into wfentities

merge

fix tests