Release 2.1.2
=============

* ENH: New documentation using Sphinx: searchable html and printable pdf.
* ENH: mlab: axes and outline now work with the extent keyword.
* ENH: Axes dialog cleaned, control of the extents added in the dialog.
* BUG: mlab: Opacity and color now work for axes and outline.
* ENH: mlab: sources now accept iterables in addition to numpy arrays.
* BUG: mlab.contour3d can now display only 1 contour surface.
* BUG: mlab: fix extent keyword when data is flat is one direction.
* ENH: Nan support for input scalar/vector data added (Thanks to
	Frederic Petit for the initial patch.)
* BUG: Make VTK file reader read all attributes in the data file.