Switch to side-by-side view

--- a/src/qtgui/reslist.h
+++ b/src/qtgui/reslist.h
@@ -87,6 +87,7 @@
     virtual void setDocSource();
     virtual void setSortParams(DocSeqSortSpec spec);
     virtual void setFilterParams(const DocSeqFiltSpec &spec);
+    virtual void highlighted(const QString& link);
 
  signals:
     void nextPageAvailable(bool);