[Checkins] [zopefoundation/transaction] 7aca64: Replace "RM" with "data manager"

[Mark Watts]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/transaction
  Commit: 7aca64029e8fca6bd0b64b3e38cfbaf68692e056
      https://github.com/zopefoundation/transaction/commit/7aca64029e8fca6bd0b64b3e38cfbaf68692e056
  Author: Mark Watts <mwatts15 at users.noreply.github.com>
  Date:   2020-01-17 (Fri, 17 Jan 2020)

  Changed paths:
    M docs/datamanager.rst

  Log Message:
  -----------
  Replace "RM" with "data manager"

- The term "RM" had not been introduced and doesn't obviously correspond to "data manager"