------
New features
''''''''''''
* CSS. Now a tooltip is displayed on the source code blocks to make
the doc-resolv functionality more discorverable. Function calls in
the source code blocks are hyperlinks to their online documentation.
* Download buttons have a nicer look across all themes offered by
Sphinx
Developer changes
'''''''''''''''''
* Support on the fly theme change for local builds of the
Sphinx-Gallery docs. Passing to the make target the variable `theme`
builds the docs with the new theme. All sphinx themes are available
plus read the docs online theme under the value `rtd` as shown in this
usage example.
.. code-block:: console
$ make html theme=rtd
* Test Sphinx Gallery support on Ubuntu 14 packages, drop Ubuntu 12
support. Drop support for Python 2.6 in the conda environment