Fixed all H2 headings

Before, H2 fomratting was not consistent.
Now, all H2 headings use over/under asterisks.

docs/intro/news.rst

@@ -6,76 +6,96 @@ News
 
 .. image:: /_static/photos/33573767786_eececc5d27_k_d.jpg
 
+
+****************
 PyCoder’s Weekly
-~~~~~~~~~~~~~~~~
+****************
 
 PyCoder’s Weekly is a free weekly Python newsletter for Python developers
 by Python developers (Projects, Articles, News, and Jobs).
 
     `PyCoder’s Weekly <https://pycoders.com/>`_
 
+
+***********
 Real Python
-~~~~~~~~~~~
+***********
 
 At Real Python you can learn all things Python from the ground up, with weekly free and in-depth tutorials. Everything from the absolute basics of Python, to web development and web scraping, to data visualization, and beyond.
 
     `Real Python <https://realpython.com/>`_
 
+
+*************
 Planet Python
-~~~~~~~~~~~~~
+*************
 
 This is an aggregate of Python news from a growing number of developers.
 
     `Planet Python <http://planet.python.org>`_
 
+
+*********
 /r/python
-~~~~~~~~~
+*********
 
 /r/python is the Reddit Python community where users contribute and vote on
 Python-related news.
 
     `/r/python <http://reddit.com/r/python>`_
 
+
+*******************
 Talk Python Podcast
-~~~~~~~~~~~~~~~~~~~
+*******************
 
 The #1 Python-focused podcast covering the people and ideas in Python.
 
     `Talk Python To Me <https://talkpython.fm>`_
 
+
+********************
 Python Bytes Podcast
-~~~~~~~~~~~~~~~~~~~~
+********************
 
 A short-form Python podcast covering recent developer headlines.
 
     `Python Bytes <https://pythonbytes.fm>`_
 
+
+*************
 Python Weekly
-~~~~~~~~~~~~~
+*************
 
 Python Weekly is a free weekly newsletter featuring curated news, articles,
 new releases, jobs, etc. related to Python.
 
     `Python Weekly <http://www.pythonweekly.com/>`_
 
+
+***********
 Python News
-~~~~~~~~~~~~~
+***********
 
 Python News is the news section in the official Python web site
 (www.python.org). It briefly highlights the news from the Python community.
 
     `Python News <http://www.python.org/news/>`_
 
+
+********************
 Import Python Weekly
-~~~~~~~~~~~~~~~~~~~~
+********************
 
 Weekly Python Newsletter containing Python Articles, Projects, Videos, Tweets
 delivered in your inbox.  Keep Your Python Programming Skills Updated.
 
     `Import Python Weekly Newsletter <http://www.importpython.com/newsletter/>`_
 
+
+*************************
 Awesome Python Newsletter
-~~~~~~~~~~~~~~~~~~~~~~~~~
+*************************
 
 A weekly overview of the most popular Python news, articles and packages.