[Checkins] [zopefoundation/ZEO] 2c7ce3: Use python_requires and extras_require for version...

[GitHub]

  Branch: refs/heads/install_metadata
  Home:   https://github.com/zopefoundation/ZEO
  Commit: 2c7ce34030d7468dd5eeff04f912a4215d7c347c
      https://github.com/zopefoundation/ZEO/commit/2c7ce34030d7468dd5eeff04f912a4215d7c347c
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2017-07-11 (Tue, 11 Jul 2017)

  Changed paths:
    M CHANGES.rst
    M MANIFEST.in
    A setup.cfg
    M setup.py

  Log Message:
  -----------
  Use python_requires and extras_require for version-specific deps

Fixes #93.
Fixes #92

Example:

```
$ pip install .
Processing /.../ZEO
ZEO requires Python '>=2.7.9,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*' but the running Python is 3.3.6`
```