feature #3153, create new trigger which export a workflow instance insid...

...e almanach application

In order to configure this new feature, you have to add the following XML inside your CustomerSettings.xml and replace almanachXXX with the targeted almanach identifier
```
      <!-- ==========  Silverpeas Workflows  ========== -->
      <fileset root="${SILVERPEAS_DATA_HOME}/workflowRepository/DemandeCongesSimple/">
        <xmlfile name="DemandeCongesSimple.xml"><!--  param[@name='almanachId'] -->
          <parameter key="/processModel/actions/action[@name='Accepter']/consequences/consequence/triggers/trigger/param" mode="update">
            <value location="@value">almanachXXX</value>
          </parameter>
        </xmlfile>
      </fileset>
```