Moved text annotation routines into sub-module, in preparation for img annotations integration. Added code to use BeautyTips for
pop-ups/forms.

TODO: show annotations while previewing

updated a session_register() call. this module needs some major rework considering we now do on_ouput filtering. this is a good thing, as all node types will soon be annotatable.

- See http://lists.drupal.org/pipermail/drupal-devel/2003-February/021824.html.

now using 'create' instead of 'post' in name of compose permission. more consistent with current drupal