Set up a github page for this project

Copied subway.html to index.html
Merge branch 'master' into gh-pages
Updated index with latest changes to subway.

Changes made to div structure by Cian. Z-indexing, animation of train
and lights together.
Merge branch 'master' into gh-pages
Updating gh-pages index to display trains with improved bg gradients.
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages

Conflicts:
Merge branch 'master' into gh-pages
Separate styles out into their own files.