core, plugin watched: new plugin, show an alert when a watched entity goes online

src/memory/params.py

@@ -39,7 +39,6 @@ class Params(object):
     """This class manage parameters with xml"""
     ### TODO: add desciption in params
 
-    #TODO: move Watched in a plugin
     #TODO: when priority is changed, a new presence stanza must be emitted
     #TODO: int type (Priority should be int instead of string)
     default_xml = u"""
@@ -63,9 +62,6 @@ class Params(object):
             <param name="autoconnect" label="%(autoconnect_label)s" value="true" type="bool" security="0" />
             <param name="autodisconnect" label="%(autodisconnect_label)s" value="false"  type="bool" security="0" />
         </category>
-        <category name="Misc" label="%(category_misc)s">
-            <param name="Watched" value="test@Jabber.goffi.int" type="string" />
-        </category>
     </individual>
     </params>
     """ % {