adding a link to toggle scopes window in xref

fixes #1333

Author: tulinkry

web/httpheader.jspf

@@ -89,7 +89,7 @@ if (cfg.getPrefix().equals(Prefix.HIST_L)) {
 <script type="text/javascript" src="<%=ctxPath%>/js/tablesorter.parsers-0.0.1.js"></script>
 <script type="text/javascript" src="<%=ctxPath%>/js/searchable-option-list-2.0.2.min.js"></script>
 <%--<script type="text/javascript" src="<%=ctxPath%>/js/jquery.autocomplete-1.1.pack.js"></script> --%>
-<script type="text/javascript" src="<%=ctxPath%>/js/utils-0.0.1.js"></script>
+<script type="text/javascript" src="<%=ctxPath%>/js/utils-0.0.2.js"></script>
 <title><%=cfg.getTitle()%></title><%
     out.write(cfg.getHeaderData());
 %>

web/js/utils-0.0.1.js renamed to web/js/utils-0.0.2.js

@@ -18,7 +18,7 @@
  */
 
 /*
- * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved.
  *
  * Portions Copyright 2011 Jens Elkner.
  */
@@ -1055,6 +1055,11 @@
                             return old.call($window).trigger(event);
                         }
                     });
+                    
+                    $('.scopes-toggle').click(function () {
+                        $window.toggle();
+                        return false;
+                    })
                 },
                 update: function (data) {
                     if(!this.$window.is(':visible') && !this.$window.data('shown-once')) {

web/minisearch.jspf

@@ -76,10 +76,13 @@ org.opensolaris.opengrok.web.Util"%><%
         %><li><a href="#" onclick="javascript:lntoggle();return false;"
             title="<%= "Show or hide line numbers (might be slower if "
                 + "file has more than 10 000 lines)."
-            %>"><span id="line"></span>Line#</a></li><li><a
+            %>"><span id="line"></span>Line#</a></li>
+          <li><a href="#" class="scopes-toggle"
+            title="<%= "Toggle scopes window."
+            %>"><span id="line"></span>Scopes#</a></li><li><a
             href="#" id="navigate"
             title="Show or hide symbol list."><%--
-            --%><span id="defbox"></span>Navigate</a></li><%
+            --%><span id="defbox"></span>Navigate#</a></li><%
         }
         %>
 	<li><a href="<%= context + Prefix.RAW_P + cfg.getUriEncodedPath()