Created a contributing guide. Open to suggestions.
Included license header instructions.
Moved conventions line to the end.
Merge branch 'master' of https://github.com/stanzheng/norfolkart into stanzheng-master
Merge branch 'stanzheng-master'
Corrected list style to separate title and location of the exhibit.
Specified prerequisites and installation types.
Included the art proxy URL in the about section.
Linted the map view.
Including a public page to redirect mobile users from the City of Norfolk website.
Moved public.html to public/index.html.
Removed commented out rule.
Included new tile layer, using the original as a backup.