Improve styles and flexible layout with css caching and moving the rounded corner style fully into its sub directory.

Implement titles; this caused a retooling of the return value of the context task handler rendering so be sure to sync up.

Minor updates to stay up with ctools; remove deprecated panel_node_viwe task handler, as it will now always be panel_context

Some major restructuring, catching up to CTools. This is very much in process, there is a huge list of things that need to happen here still, but this may be checkpoint usable to the strong-stomached.

More tweaks to panel delegator stuff, including moving more work from the plugin to delegator.inc and displaying information about the panel display in a delegator dropdown.