gnucash-docs maint: Update guide/it/gnucash.xml with new chapter 10 'Reports'.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/15065758 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/8560fa16 (commit)



commit 1506575856df4c2541dd3158c794196a823ca5c7
Author: John Ralls <jralls at ceridwen.us>
Date:   Tue Dec 6 09:13:20 2016 -0800

    Update guide/it/gnucash.xml with new chapter 10 'Reports'.



Summary of changes:
 guide/it/gnucash-guide.xml | 2681 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 2120 insertions(+), 561 deletions(-)