T2-936 bump trunk version number of t2infrastructure to 2.1-SNAPSHOT
T2-936 bump trunk version number of t2infrastructure to 2.1-SNAPSHOT

git-svn-id: c4ca898fec6cb93122e1a9930d25cd41b44b21a0@9619 bf327186-88b3-11dd-a302-d386e5130c1c

taverna/taverna-workbench-product,taverna/taverna-workbench-product