doc updates

- fixed doc building failure (only encountered locally and on RTD, not in tests)
- included @giacomofiorin in the author list displayed in the docs (was forgotten
  in PR #58)

doc/source/conf.py

@@ -59,8 +59,9 @@
 
 # General information about the project.
 project = u'GridDataFormats'
-authors = u'Oliver Beckstein, Jan Domanski, Jesse Johnson, Max Linke, Tyler Luchko, Dominik Mierzejewski'
-copyright = u'2007-2018, ' + authors
+authors = (u'Oliver Beckstein, Jan Domanski, Jesse Johnson, Max Linke, Tyler Luchko, '
+           u'Dominik Mierzejewski, Giacomo Fiorin')
+copyright = u'2007-2019, ' + authors
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the

gridData/core.py

@@ -441,8 +441,6 @@ def export(self, filename, file_format=None, type=None, typequote='"'):
 
             .. versionadded:: 0.4.0
 
-        .. _`#35`: https://github.com/MDAnalysis/GridDataFormats/issues/35
-
         typequote : str (optional)
             For DX, set the character used to quote the type string;
             by default this is a double-quote character, '"'.