Switch to side-by-side view

--- a/src/qtgui/guiutils.cpp
+++ b/src/qtgui/guiutils.cpp
@@ -128,6 +128,11 @@
     SETTING_RW(prefs.qtermcolor, "/Recoll/prefs/qtermcolor", String, "blue");
     if (!writing && prefs.qtermcolor == "")
 	prefs.qtermcolor = "blue";
+
+    // Abstract snippet separator
+    SETTING_RW(prefs.abssep, "/Recoll/prefs/reslist/abssep", String,"…");
+    if (!writing && prefs.abssep == "")
+	prefs.abssep = "…";
 
     SETTING_RW(prefs.reslistfontfamily, "/Recoll/prefs/reslist/fontFamily", String,
 	       "");