support optgroup in :select and :chosen form_ui
fix optgroup, check column type in associated model
fix calling authorized methods in action_links.traverse and using record in default methods for member actions. Fixes #178
update changelog
add ignore_order_from_association to ignore :order from association definition in nested scaffolds
don't display column.css_class when is a proc in subsection
update changelog

Conflicts:
	CHANGELOG
delete params in render_field action, if some associations are updated add_new links would have these params
wrong parameter name used
Merge pull request #182 from cpjolicoeur/master

ActiveScaffold.ActionLink.Record using wrong variable in close() function
fix main_path_to_return for nested forms
Fix last commit about css_class
use date_bridge_column_date? to get datetime conversion
Revert "use date_bridge_column_date? to get datetime conversion"

This reverts commit 4bd501db88600584d8e88042429eed8c155b49cf.
restore constraints when controller is not nested, needed for self-associations
don't add self as constraint, needed for self-associations. Also convert to string foreign keys before comparing, by default are strings but can be defined as symbols
fix colspan for self-associations, fixes  #184
update changelog
Fix rendering parent row after creating or updating in a nested form. Fixes #185
Allow block in association_options_find to use scopes to restrict options