TENTACLES-3: Provde help text in case number of arguments is to low

-To prevent NPEs the number of parameters is checked. Output is printed via logger to comply with the current Tentacles architecture.



git-svn-id: https://svn.apache.org/repos/asf/creadur/tentacles/trunk@1617605 13f79535-47bb-0310-9956-ffa450edef68