Initial commit. Special mention to pyrocms/pyrocms#2822.

Signed-off-by: Ben Corlett <bencorlett@me.com>
Merge branch 'master' of github.com:webcomm/pyrocms-twitter-widget
Add gitignore, update README, add license and credits.

Signed-off-by: Ben Corlett <bencorlett@me.com>