Minor cleanup of list model

update_attribute => update_column, no explicit return, etc
Cleanup user#full_name

Ruby!
Cleanup Message model

In Rails 3, scopes with lambdas can become self methods (a little cleaner); attr_accessor instead of explicit setter/getter; misc Ruby cleanup.
Pagination of list members [fixes #17]

Make table an actual <table>; remove explicit edit link, making entire row clickable; use auto partial selection for _phone_number.html; tests.