Add Categories field type that CategoryField and AttributeCategoryField attributes can use to select multiple attribute values
Update ListControl adapters to render code necessary for handling AutoPostbacks
Updat LabeledCheckbox so that when help text is specified without a label, that help block is rendered after the checkbox value
Update how attributes render required controls so that validation occurs
Add block for viewing/editing attribute categories on person profile page, and update new family block to render and validate attributes correctly
Fix incorrectly merged conflict
Update NewFamily block to use state abbreviation, and fix rendering when Gender is required