related news filter is now active on modified field instead of created
public_date and public_idnum override for approved deliberations
search index for act's pub_date now considers approval dates for deliberations
access to _choice_dict private attribute modified
error when extracting textual content from doc files, trapped
add command for resetting act signatures depending on selection criteria
Merge branch 'reset_signatures' into dev-senigallia

Conflicts:
	open_municipio/templates/acts/act_detail.html
Merge branch 'dev-senigallia' of github.com:openpolis/open_municipio into dev-senigallia
integrated logo for openmunicipio resources