[Python-checkins] [python/cpython] 503bc6: Update idlelib NEWS for 3.7 (#2089)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/python/cpython
  Commit: 503bc6363d6486c693248417a26f8c11919c6782
      https://github.com/python/cpython/commit/503bc6363d6486c693248417a26f8c11919c6782
  Author: terryjreedy <tjreedy at udel.edu>
  Date:   2017-06-10 (Sat, 10 Jun 2017)

  Changed paths:
    M Lib/idlelib/NEWS.txt

  Log Message:
  -----------
  Update idlelib NEWS for 3.7 (#2089)