Display usage. --general-- usage : print this message properties : print ant properties --user-- user-configure : configure user settings user-unconfigure : unconfigure user settings --dependencies-- dependencies-download : download the archives necessary to install staf dependencies-remove : remove the archives previously downloaded --staf-- staf-install : install the staf staf-start : start staf with all the services staf-controller-start : start staf with all the services staf-slave-start : start staf without services staf-stop : stop staf staf-uninstall : uninstall staf-status : report if staf is installed and running staf-gui : start the STAX gui staf-jvmlogs : start the STAF jvm log viewer --tests-- tests-specs : generate the functional tests specs tests-configure : configure the functional tests tests-func-configure : configure the functional tests tests-stress-configure : configure the stress tests tests-run : run the functional tests tests-func-run : run the functional tests tests-func-coverage : run the functional tests with code coverage tests-stress-run : run the stress tests