add doCluster.do back to Director.java

Hello.txt

Hello:

src/web/Director.java

tomcat/webapps/examples/WEB-INF/classes/CookieExample.java

...t/webapps/examples/WEB-INF/classes/HelloWorldExample.java

.../webapps/examples/WEB-INF/classes/LocalStrings.properties

...bapps/examples/WEB-INF/classes/LocalStrings_en.properties

...bapps/examples/WEB-INF/classes/LocalStrings_es.properties

...bapps/examples/WEB-INF/classes/LocalStrings_fr.properties

...bapps/examples/WEB-INF/classes/LocalStrings_pt.properties

...ebapps/examples/WEB-INF/classes/RequestHeaderExample.java

.../webapps/examples/WEB-INF/classes/RequestInfoExample.java

...webapps/examples/WEB-INF/classes/RequestParamExample.java

tomcat/webapps/examples/WEB-INF/classes/ServletToJsp.java

tomcat/webapps/examples/WEB-INF/classes/SessionExample.java

tomcat/webapps/examples/WEB-INF/classes/async/Async0.java

tomcat/webapps/examples/WEB-INF/classes/async/Async1.java

tomcat/webapps/examples/WEB-INF/classes/async/Async2.java

tomcat/webapps/examples/WEB-INF/classes/async/Async3.java

...ples/WEB-INF/classes/async/AsyncStockContextListener.java