Rename/Move files step/utility

[Former user]

Original [issue 140](https://code.google.com/p/okapi/issues/detail?id=140) created by @ysavourel on 2010-07-09T15:42:24.000Z:

It would be nice to have a rename/move files function in rainbow and/or as a step to allow the renaming of documents in batch.

[Former user]

Comment [1.](https://code.google.com/p/okapi/issues/detail?id=140#c1) originally posted by @ysavourel on 2010-07-19T14:01:28.000Z:

[Former user]

Comment [2.](https://code.google.com/p/okapi/issues/detail?id=140#c2) originally posted by @ysavourel on 2011-08-04T13:42:00.000Z:

[Jim Hargrave (OLD)]

There is now a move file step. Rename can be handled by many utils.