Added alternative text and title to HostBrowser.html image links

For better accessibility

htroot/ConfigSearchPage_p.html

@@ -244,7 +244,7 @@ var solr= $.getJSON("/solr/collection1/select?q=*:*&defType=edismax&start=0&rows
                           <td>&nbsp;|&nbsp;<a href="yacysearch.html" target="LayouTest">Pictures</a></td>
                           <td>&nbsp;|&nbsp;<a href="CacheResource_p.html" target="LayouTest">Cache</a></td>
                           <td>&nbsp;|&nbsp;<a href="proxy.html" target="LayouTest">Augmented Browsing</a></td>
-                          <td>&nbsp;|&nbsp;<a href="HostBrowser.html" target="LayouTest"><img src="env/grafics/minitree.png" width="15" height="8" /></a></td>
+                          <td>&nbsp;|&nbsp;<a href="HostBrowser.html" target="LayouTest"><img src="env/grafics/minitree.png" width="15" height="8" title="Browse index" alt="Browse index"/></a></td>
                           <td>&nbsp;|&nbsp;<a href="yacysearch.html" target="LayouTest">Snapshots</a></td>
                         </tr>
                         <tr>

htroot/yacysearchitem.html

@@ -33,7 +33,7 @@
   #(showPictures)#::&nbsp;|&nbsp;<a href="yacysearch.html?contentdom=image&amp;url=#[link]#&amp;query=#[former]# inurl:#[link]#" target="_blank">Pictures</a>#(/showPictures)#
   #(showCache)#::&nbsp;|&nbsp;<a href="CacheResource_p.html?url=#[link]#" target="_blank">Cache</a>#(/showCache)#
   #(showProxy)#::&nbsp;|&nbsp;<a href="proxy.html?url=#[link]#" target="_blank">Augmented Browsing</a>#(/showProxy)#
-  #(showHostBrowser)#::&nbsp;|&nbsp;<a href="HostBrowser.html?path=#[link]#"><img src="env/grafics/minitree.png" width="15" height="8"/></a>#(/showHostBrowser)#
+  #(showHostBrowser)#::&nbsp;|&nbsp;<a href="HostBrowser.html?path=#[link]#"><img src="env/grafics/minitree.png" width="15" height="8" title="Browse index" alt="Browse index"/></a>#(/showHostBrowser)#
   #(showVocabulary)#::<br/>#{vocabulary}##[name]#:#[terms]# #{/vocabulary}##(/showVocabulary)#
   #(showSnapshots)#::<a href="#[link]#">Snapshots</a>#(/showSnapshots)#
   </p>