Release version 2.0.0
Release version 2.0.0

git-svn-id: bda2b39cbb1b6f518aff59719ba79c734d4904c3@14917 bf327186-88b3-11dd-a302-d386e5130c1c

apache/incubator-taverna-common-activities,apache/incubator-taverna-common-activities,apache/incubator-taverna-common-activities