Add license metadata to PyPI package

Author: remram44

MANIFEST.in

@@ -0,0 +1 @@
+include LICENSE

setup.py

@@ -37,6 +37,7 @@ def read_entry_points():
     description='Auton Lab TA1 primitives',
     author=read_package_variable('__author__'),
     author_email=read_package_variable('__author_email__'),
+    license='MIT',
     packages=find_packages(exclude=['docs', 'tests*']),
     install_requires=[
         'd3m',