buildextensions         build extensions (extconf.rb & co)
buildpkg		build package with temp dir + metadata
checkconflicts          see if there's any file conflict before unpacking
clean			clean package build dirs
compress		compress files in doc, etc
extractpkg              unpack the .rpa file
fixperms		fix file permissions
fixshebangs		fix shebang lines
installchangelogs	install changelogs
installdependencies     install deps
installdocs		install docs
installexamples		install examples
installexecutables      install executables
installextensions	install extensions
installman		install and/or manpages
installmetadata		install metadata into temp. subdir
installmodules		.rb stuff
installrdoc		generate & install rdoc API docs
installtests		install unit tests
md5sums			generate md5sums	
moduledeps		calculate module dependencies
rununittests            runs unit tests
task                    arbitrary task
testversion		test RPA version
