Feature 3153 : create new trigger which export a workflow instance inside 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>
```
Don't forget to get feature 3153 pull request on Silverpeas-Components..