Make replication func tests server-splittable + small fixes

ugaston

12.46.2009 69a5e67a588c3e4724f93e20792bb12c51595c2e

 opends/tests/staf-tests/shared/functions/tools.xml

@@ -475,6 +475,14 @@
            </else>
          </if>
        </sequence>
        <else>
          <sequence>
            <message log="1" level="'Error'">
              'LdifDiffWithScript: command run FAILED.'
            </message>
            <return> -1 </return>
          </sequence>
        </else>
      </if>

      <if expr="diffRC == 0">