Fix several URLs in documentation parts

We have no longer svn, but 2 doxygen branches.
I don't remember, when Mailman moved from www to lists.

bindings/python/example_scripts/gncinvoice_jinja.py

@@ -22,7 +22,7 @@
 # more modular as it allows to use arbitrary templates
 #
 # Doxygen docs:
-# - http://svn.gnucash.org/docs/HEAD/
+# - https://code.gnucash.org/docs/MAINT or MASTER
 # - see page \ref py_invoice_export
 #
 # Questions / Issues:

bindings/python/example_scripts/latex_invoices.py

@@ -28,7 +28,7 @@
 #
 # Additional information :
 #
-# - Doxygen docs: see page \ref py_invoice_export at http://svn.gnucash.org/docs/HEAD/
+# - Doxygen docs: see page \ref py_invoice_export at https://code.gnucash.org/docs/MAINT or MASTER
 # - http://www.uweziegenhagen.de/latex/documents/rechnung/rechnungen.pdf (german)
 #
 # Credits to and ideas from

doc/README.OFX

@@ -181,7 +181,7 @@ order of effectiveness for you, but ANY report is apreciated):
 
 * Open a bug at https://bugs.gnucash.org/
 * gnucash-devel@gnucash.org or gnucash-user@gnucash.org (Subscriber-only list;
-please subscribe on http://www.gnucash.org/cgi-bin/mailman/listinfo/ )
+please subscribe on https://lists.gnucash.org/mailman/listinfo/ )
 * http://lists.sourceforge.net/lists/listinfo/libofx-devel/ if ofxdump doesn't
 give you the expected data.
 * many developers hang on the IRC channel #gnucash on irc.gnome.org
@@ -267,11 +267,11 @@ Export capability is currently being built into LibOfx.
 
 7. Credits-------
 
-The LibOFX library is written by Benoit Grégoire <bock@step.polymtl.ca>
-The Generic Import Infrastructure was written by Benoit Grégoire 
+The LibOFX library is written by Benoit Gr<EFBFBD>goire <bock@step.polymtl.ca>
+The Generic Import Infrastructure was written by Benoit Gr<EFBFBD>goire 
 <bock@step.polymtl.ca>, Christian Stimming <stimming@tuhh.de> and Derek Atkins 
 <warlord@mit.edu>.
 
-By Benoit Grégoire <bock@step.polymtl.ca>
+By Benoit Gr<EFBFBD>goire <bock@step.polymtl.ca>
 Sunday, Feb 2, 2003
 

doc/examples/README_invoice

@@ -6,5 +6,5 @@ The example csv file must have the 22 elements for it to work.
 
 To use the example file, create an account "Expenses:Materials General" and a Customer with owner = 000013.
 
-More information can be found at http://svn.gnucash.org/docs/guide/python-import-invoices.html
+More information can be found at https://code.gnucash.org/docs/C/gnucash-guide/import-invoices.html