Display usage.
--general--
usage : print this message
properties : print ant properties
--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 without services
staf-controler-start : start staf without services
staf-remote-start : start staf with all the 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-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-stress-run : run the stress tests