fix format_field detection for fields not using FormatConstraint

backport has_format method from entity

* turn tidy_html_hook into a regular application hook * use format_fields instead of formatted_attrs method * drop formatted_attrs

pylint fixes, media definitions on form as well

cleanup

test and fix guess_field, some pylint fixes

moved to xmlrss

typo

process_rql now done in the controller

a bit of reorganisation inside web/views: * move all workflow related stuff into views/workflow.py * move all schema related stuff into views/schema.py * move all RSS related stuff into views/xmlrss.py * start new editforms module, designed to contains new automatic forms code

move has_format method to the entity schema class

update dependencies so we don't forget

commit pending work (started in TLS): starting to implement Creation/Edition form with new form API

cleanup

move get_widget in the to-deprecate section

api update

rewrite inline edition form to use new form system (proof of concept, require the edition form working which is not yet done)

cleanup

more rendering control

move fields and widgets to their own module

should not give session as cnx.cursor(), else we may try to execute some query while no pool is set on the session

backport typo fix

merge

cleaning css