Added a twitter widget to pulll tweetss to/fr @nycpythonmeetup or
containing #nycpython.

The widget is owned by the @nycpythonmeetup twitter user, and can be
customized. It is only on the homepage to illustrate its usage.
Merge https://github.com/NYCPython/nycpython.com

Conflicts:
	src/templates/index.html
Merge pull request #8 from ianschenck/master

Twitter widget.