gnucash: New Branch '2.6.13b'

[John Ralls]

        at  https://github.com/Gnucash/gnucash/tree/4bb7e2b6d14782affe4f418697078f7ffa1bee01 (tag)
   tagging  77988a72f52a60e409af15319f8664c86a504d74 (commit)
  replaces  2.6.13a
 tagged by  John Ralls
        on  Tue Jun 28 15:29:44 2016 -0700


Second Retag of 2.6.13

First retag has an error in a function name. Applies only to Macs.

John Ralls (1):
      Fix incomplete function name from 74fa556.