Changed update and plugin site locations. Removed references to taverna-parent properties for versions.
Changed update and plugin site locations.
Removed references to taverna-parent properties for versions.

git-svn-id: 69cf1ede49ac15a494fe8ca6de9793745495e813@16070 bf327186-88b3-11dd-a302-d386e5130c1c

apache/incubator-taverna-workbench-product