Major underlying changes to namespace handling. Each namespace is handled by its own class which extends Namespace_Default. Much greater customization/pluggability potential, at the possible expense of some code reusing (though code reusing has been avoided thus far). Also a bit better handling of page passwords [SECURITY].

/*
 * Auto-completing page/username fields
 * NOTE: A more efficient version of the username field is used for Mozilla browsers. The updated code is in autofill.js.
 */

//
// **** 1.1.5: DEPRECATED ****
// Replaced with jQuery-based mechanism.
//