Make conf.py work with py3
Make gen_rst behave with py3
Make plot_directive py3 friendly
Make make.py build docs under python 3
Make call to raise py3 compatible
Fix py2/3 unicode differences
Simple 2to3 on gen_gallery.py
Make md5 take byte as argument, not string
Fixes #1860: Unfilled members of collections are not handled correctly in the PDF backend.  Also fixes a related bug that alpha could not be set on individual members of a collection.
fix legend w/ 'expand' mode which fails for a single item.
Document change to collections.
Merge pull request #1860 from mdboom/collection-fill

Bug with PatchCollection in PDF output
Installed inkscape on the travis-ci vm.
Clarify which baseline image files to include in the git repository.
Merge pull request #1870 from mdboom/doc/making-tests

Testing documentation isn't clear about which files to copy
Merge pull request #1869 from pelson/svg_testing

Installed inkscape on the travis-ci vm.
add test for legend w/ expand mode
Merge pull request #1864 from leejjoon/fix-legend-expand

fix legend w/ 'expand' mode which fails for a single item.
Merge pull request #1383 from dmcdougall/py3_docs_2

More fixes for doc building with python 3
Fix inkscape install errors on Travis