gnucash maint: Fix up and improve the Doxygen documentation in unittest-support.h.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/a4b05193 (commit)
	from  https://github.com/Gnucash/gnucash/commit/2663dc96 (commit)



commit a4b0519303834905aa783af14f37160db738d667
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Jul 28 12:44:25 2015 -0700

    Fix up and improve the Doxygen documentation in unittest-support.h.



Summary of changes:
 src/test-core/unittest-support.h | 85 ++++++++++++++++++++++++++++++----------
 test-templates/README            |  3 +-
 2 files changed, 67 insertions(+), 21 deletions(-)