gnucash-docs maint: Update the API section in Creating Reports

[Frank H. Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/2c8a3600 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/a0ea53d9 (commit)



commit 2c8a3600cf72714d9b010eb143ad21253d289483
Author: fell <f.ellenberger at online.de>
Date:   Thu Jan 28 05:02:40 2016 +0100

    Update the API section in Creating Reports
    
    Replacement of g-wrap by swig.
    Mention doxygen.



Summary of changes:
 help/C/Help_ch_Reports.xml | 96 ++++++++++++++++++++++++++++++----------------
 1 file changed, 62 insertions(+), 34 deletions(-)