[Checkins] [zopefoundation/zope.mimetype] 9a0826: Enforce strict IRO globally.

[Jason Madden]

  Branch: refs/heads/issue17redux
  Home:   https://github.com/zopefoundation/zope.mimetype
  Commit: 9a0826a5db9b9db83ef7015f247183a6872e869b
      https://github.com/zopefoundation/zope.mimetype/commit/9a0826a5db9b9db83ef7015f247183a6872e869b
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-03-31 (Tue, 31 Mar 2020)

  Changed paths:
    M .travis.yml
    M tox.ini

  Log Message:
  -----------
  Enforce strict IRO globally.

Now that zope.traversing and zope.formlib are in compliance.

(This package sure has a lot of surprising dependencies.)