gnucash: New Branch '2.7.8'

[John Ralls]

        at  https://github.com/Gnucash/gnucash/tree/ed4169b74639097198f03a0269c68a37aff8ae3d (tag)
   tagging  dfb5de91ff76cd997ffa0f01a23de36a4f00ad71 (commit)
  replaces  2.7.7
 tagged by  John Ralls
        on  Sun Mar 25 12:37:31 2018 -0700


Tag Release 2.7.8.

Christopher Lam (1):
      Bug 794030 - relative date functions compute wrong day of month

John Ralls (10):
      Bug 794330 - Scheduled Transaction Editor Transfer Button Does Not Work
      Fix a string msgid generation.
      More python 3 fixups.
      [python bindings] Add required posted dates to the transactions.
      Load the environment file when initializing the python bindings.
      Merge Bob Fewell's Bug 794360 PR into unstable.
      Merge Chris Lam's Fix-794030 into maint
      Revert "Load the environment file when initializing the python bindings."
      Merge branch 'maint' into unstable
      Release 2.7.8.

Robert Fewell (4):
      Bug 794360 Critical error when deleting accounts with children
      Component not found error when accounts are deleted
      Fix a couple of Transient parent warnings
      Bug 794644 - Deleting prices slow