* <li>DAS_ACTIVE_SOURCE list of active sources </li>
* <li>SHOW_MEMUSAGE boolean show memory usage and warning indicator on desktop
* (false) </li>
+ * <li>SHOW_NPFEATS_TOOLTIP (true) show non-positional features in the Sequence ID tooltip</li>
+ * <li>SHOW_DBREFS_TOOLTIP (true) show Database Cross References in the Sequence ID tooltip</li>
* <li> </li>
*
* </ul>