gnucash-docs maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/2ad457b3 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/2db7f0a5 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/3d3d3d23 (commit)
	 via  https://github.com/Gnucash/gnucash-docs/commit/0e7a047f (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/0aa87e38 (commit)



commit 2ad457b3f268a38f7b4ae148637f4ff0b892d721
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 26 10:39:13 2016 -0700

    Release 2.6.12

commit 2db7f0a587299a568ef07d8172af0519a23f8bc2
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 26 10:14:11 2016 -0700

    Add Portuguese help omf, fix up guide omf.
    
    With a little help from Google Translate.

commit 3d3d3d23821c0658cf51784ca0f59b3b91387706
Author: Chris Good <chris.good at ozemail.com.au>
Date:   Sun Mar 20 10:52:07 2016 +1100

    Add Help Doc for invoice bad debt write offs Bug 729265

commit 0e7a047f4a486b2415abb9cd6c546993ef11ea17
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Mar 26 09:17:53 2016 -0700

    Bug 762088 - Remove Section 9.4.3 From Guide



Summary of changes:
 ChangeLog                                          | 208 +++++++++++++++++++++
 NEWS                                               |  15 ++
 configure.ac                                       |   2 +-
 guide/C/ch_capgain.xml                             |   1 -
 guide/pt/Makefile.am                               |   2 +-
 guide/pt/gnucash-guide-pt.omf                      |  19 +-
 help/C/Help_ch_Business.xml                        |   4 +-
 .../pt/{gnucash-help-C.omf => gnucash-help-pt.omf} |  22 ++-
 8 files changed, 250 insertions(+), 23 deletions(-)
 copy help/pt/{gnucash-help-C.omf => gnucash-help-pt.omf} (78%)