BLD: update MANIFEST.in to account for moved files

closes matplotlib#9735

Author: tacaswell

MANIFEST.in

@@ -1,5 +1,6 @@
-include CHANGELOG INSTALL
+include INSTALL.rst README.rst
 include CONTRIBUTING.md
+include pytest.ini
 include Makefile MANIFEST.in
 include matplotlibrc.template setup.cfg.template
 include setupext.py setup.py distribute_setup.py
@@ -10,13 +11,16 @@ include lib/matplotlib/mpl-data/fonts/ttf/*
 include lib/matplotlib/mpl-data/fonts/pdfcorefonts/*
 include lib/matplotlib/mpl-data/fonts/afm/*
 include lib/matplotlib/mpl-data/stylelib/*
-recursive-include lib/matplotlib/mpl-data/sample_data *
 recursive-include LICENSE *
-recursive-include examples *
 recursive-include doc *
-recursive-include src  *.cpp *.c *.h *.m
-recursive-include lib *
+recursive-include examples *
 recursive-include extern *
+recursive-include lib *
+recursive-include lib/matplotlib/mpl-data/sample_data *
+recursive-include src  *.cpp *.c *.h *.m
+recursive-include tools *
+recursive-include tutorials *
+recursive-include unit *
 include versioneer.py
 include lib/matplotlib/_version.py
 include tests.py