ansible/ansible — pull request #6150 by hkariti (2014-02-24 17:51:56+00:00)
Title: Fix incorrect use of .join on list causing a traceback

tmpcond is a list, so .join won't work.

While investigating this behavior I also noticed that a role is evaluated several times (and so its `when' condition added to tmpcond several times) during parsing - is this ok?