Make "connector" option non-required in zope.conf, for simplicity.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2274 71dcc9de-d417-0410-9af5-da40c76e7ee4

README

@@ -76,7 +76,6 @@ How to use
           <NEOStorage>
                 master_nodes 127.0.0.1:10000
                 name main
-                connector SocketConnector
           </NEOStorage>
           mount-point /
       </zodb_db>

neo/component.xml

@@ -14,7 +14,7 @@
        Give the name of the cluster
       </description>
      </key>
-     <key name="connector" required="yes">
+     <key name="connector" required="no">
       <description>
        Give the name of the connector used at low-level
       </description>