Adding gitter.im chat link.
Update README.md
CSS Fix: time + glucose collision

I got tired of seeing them collide and knock the glucose number down to
a new line. So I added two additional @media sizing steps at 815px and
510px to adjust the font size.

This should eliminate the wrapping on the Android user’s home screen
widgets.
Update index.html

must close <link> tags.  adding / to end of statment.
Merge pull request #52 from necroscope/master

Update index.html