BLD Use MANIFEST.in file instead of setup.py package_file.

Author: twiecki

MANIFEST.in

@@ -0,0 +1,5 @@
+recursive-include pymc3/examples/data *
+recursive-include source *
+include requirements.txt
+include *.md *.rst
+

setup.py

@@ -51,9 +51,6 @@
                     'pymc3.step_methods', 'pymc3.tuning',
                     'pymc3.tests', 'pymc3.glm', 'pymc3.examples',
                     'pymc3.backends', 'pymc3.variational', 'docs', '.'],
-          package_data={'pymc3.examples': ['data/*', 'data/*/*'],
-                        '.': ['requirements.txt', '*.md'],
-                        'docs': ['source/*/*', 'source/*/*/*']},
           classifiers=classifiers,
           install_requires=install_reqs,
           tests_require=test_reqs,