Removed the banner to make way for something that actually fits on screen. Paired by Richard and Michael

(Support #200)
Github link added to web application header. Paired by Richard and Michael.

Instead of a 'fork me on github' banner, we simply have a link to the github page next to the
Deeson Online link on the web application's header. (Support #200)
Merge pull request #90 from CO600GOL/support/#200_remove_fork_smaller_screens

Support/#200 remove fork smaller screens