git-svn-id: svn://localhost/ardour2/trunk@785 d708f5d6-7413-0410-9779-e7cbd77b26cf
Figured out (mostly) AUPluginUI hierarchy. Moved LadspaPluginUI to its own ladspa_pluginui.cc file. git-svn-id: svn://localhost/ardour2/trunk@782 d708f5d6-7413-0410-9779-e7cbd77b26cf