Updated README for 0.12.0
Updated README for 0.12.0

binfalse/incubator-taverna-language,binfalse/incubator-taverna-language,binfalse/incubator-taverna-language,taverna-incubator/incubator-taverna-language,taverna-incubator/incubator-taverna-language,taverna-incubator/incubator-taverna-language,binfalse/incubator-taverna-language,taverna-incubator/incubator-taverna-language