GUACAMOLE-93: Build guacamole-docker using parent guacamole-client source.

guacamole-docker/bin/start.sh

@@ -325,8 +325,14 @@ END
 ## last function run within the script.
 ##
 start_guacamole() {
+
+    # Install webapp
+    ln -sf /opt/guacamole/guacamole.war /usr/local/tomcat/webapps/
+
+    # Start tomcat
     cd /usr/local/tomcat
     exec catalina.sh run
+
 }
 
 #