Integrated help into the system. Most all the sub-screens that are actually complete

and working have integrated help now. Press F1 to bring up help for a given window.

re/discretestatewindow.h

@@ -53,6 +53,7 @@ private:
 
     void refreshFilterList();
     void closeEvent(QCloseEvent *event);
+    bool eventFilter(QObject *obj, QEvent *event);
     void readSettings();
     void writeSettings();
     void updateStateLabel();