heat/releasenotes/notes/repeat-support-setting-perm...

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---
features:
- Added new section ``permutations`` for ``repeat`` function, to decide
whether to iterate nested the over all the permutations of the elements
in the given lists. If 'permutations' is not specified, we set the default
value to true to compatible with before behavior. The args have to be lists
instead of dicts if 'permutations' is False because keys in a dict are
unordered, and the list args all have to be of the same length.