gnucash master: Install the current, 2015, and 2016 ChangeLogs.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/77d5d638 (commit)
	from  https://github.com/Gnucash/gnucash/commit/32a8b853 (commit)



commit 77d5d6380b06d0c7003860a6aa88061821bd71fa
Author: John Ralls <jralls at ceridwen.us>
Date:   Wed Sep 6 11:43:43 2017 -0700

    Install the current, 2015, and 2016 ChangeLogs.



Summary of changes:
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)