* chrome/content/monitordialog.js (return null): Returning `null' in
    some functions, which previously didn't return anything.

    * chrome/content/overlay.js (ADD TO HISTORY): Allowing to add links to
    the history (from the context-menu) without first having to visit them.

    * modules/stream.jsm (onStopRequest): Removed support for the
    `function (matches)'-style stream-feature. Instead the
    `function (match, p1, p2, ..., offset, string)'-style should be used.

    * modules/uri.jsm (TLD): Updated the TLD-regex.

    * modules/yarip.jsm (showLinkNotification): Preventing duplicate
    notifications.
Made some syntax changes and cleanup.
    * chrome/content/pagedialog.xul (window): Using a window instead of a
    dialog for the page-manager, to allow persisting its attributes.

    * modules/uri.jsm (TLD): Modified the `com' and `io' TLDs.