Activiti has one default transition "Next". If there is no transition then the model builder was not finding a translation for the task outcome (and just using the english word, e.g. "Approve"). Now it looks up the translation workflowtask.outcome.[wf:outcome property]
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@32724 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261