gnucash-htdocs master: Announce Release of GnuCash 2.6.20.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-htdocs/commit/6dcdf510 (commit)
	from  https://github.com/Gnucash/gnucash-htdocs/commit/f174c22a (commit)



commit 6dcdf510f3b9a15a44c1496d28ff556349fc60df
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Apr 6 13:50:38 2018 -0700

    Announce Release of GnuCash 2.6.20.



Summary of changes:
 externals/global_params.php |  10 ++---
 news/180406-2.6.20.news     | 104 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 7 deletions(-)
 create mode 100644 news/180406-2.6.20.news