[Checkins] [zopefoundation/Products.ZCatalog] 61f378: Extract logic from template

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: 61f378e9b83f49c7e57ec59494de635e63e39d7a
      https://github.com/zopefoundation/Products.ZCatalog/commit/61f378e9b83f49c7e57ec59494de635e63e39d7a
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-01-10 (Fri, 10 Jan 2020)

  Changed paths:
    M CHANGES.rst
    M src/Products/ZCatalog/ZCatalog.py
    M src/Products/ZCatalog/zpt/catalogIndexes.zpt

  Log Message:
  -----------
  Extract logic from template

Instead of looking up available indexes in the template and sorting
them, now there is a method in ZCatalog.

This fixes #84

modified:   src/Products/ZCatalog/ZCatalog.py
modified:   src/Products/ZCatalog/zpt/catalogIndexes.zpt