added snapshot-repository to be able to find taverna-parent
added snapshot-repository to be able to find taverna-parent

git-svn-id: 3b07d078de8634180253f2cc88c67b025eeeedc1@11935 bf327186-88b3-11dd-a302-d386e5130c1c

apache/incubator-taverna-engine,apache/incubator-taverna-workbench,apache/incubator-taverna-workbench,ThilinaManamgoda/incubator-taverna-workbench,apache/incubator-taverna-engine,ThilinaManamgoda/incubator-taverna-workbench