T2-1194, T2-1256 update t2.infrastructure version numbers to 2.1
T2-1194, T2-1256 update t2.infrastructure version numbers to 2.1

git-svn-id: 10833e805afea9e5a6509b27c1b8b6924566be5c@9885 bf327186-88b3-11dd-a302-d386e5130c1c

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