setup: pull long_description and license from README and LICENSE files.

Ensures info on PyPI matches version being distributed there. (Avoids problem where docs on github are ahead of published version on PyPI.)

setup.py

@@ -8,7 +8,7 @@ setup(
     author="Kenneth Love <kenneth@brack3t.com>, Chris Jones <chris@brack3t.com>",
     author_email="kenneth@brack3t.com",
     url="https://github.com/brack3t/Djrill/",
-    license="BSD",
+    license=open('LICENSE').read(),
     packages=["djrill"],
     zip_safe=False,
     install_requires=["requests", "django"],
@@ -22,14 +22,5 @@ setup(
         "Framework :: Django",
         "Environment :: Web Environment",
     ],
-    long_description="""\
-Djrill is an email backend for Django users who want to take advantage of the
-`Mandrill <http://mandrill.com>`_ transactional email service from MailChimp.
-
-In general, Djrill "just works" with Django's built-in ``django.core.mail``
-package. You can also take advantage of Mandrill-specific features like tags,
-metadata, and tracking. An optional Django admin interface is included.
-
-Full details are on the `project page <https://github.com/brack3t/Djrill>`_.
-""",
+    long_description=open('README.rst').read(),
 )