Fix setup.py and update changelog/news files

Signed-off-by: Dan Ryan <dan@danryan.co>

CHANGELOG.rst

@@ -151,6 +151,18 @@ Bug Fixes
   <https://github.com/pypa/pipenv/issues/2386>`_
 
 
+Improved Documentation
+----------------------
+
+- Update documentation wording to clarify Pipenv's overall role in the packaging ecosystem.  `#2194 <https://github.com/pypa/pipenv/issues/2194>`_
+  
+- Added contribution documentation and guidelines.  `#2205 <https://github.com/pypa/pipenv/issues/2205>`_
+  
+- Added instructions for supervisord compatibility.  `#2215 <https://github.com/pypa/pipenv/issues/2215>`_
+  
+- Fixed broken links to development philosophy and contribution documentation.  `#2248 <https://github.com/pypa/pipenv/issues/2248>`_
+
+
 Vendored Libraries
 ------------------
 

setup.py

@@ -104,7 +104,7 @@ setup(
     author='Kenneth Reitz',
     author_email='me@kennethreitz.org',
     url='https://github.com/pypa/pipenv',
-    packages=find_packages(exclude=['tests']),
+    packages=find_packages(exclude=['tests', 'tasks']),
     entry_points={
         'console_scripts': [
             'pipenv=pipenv:cli',