Update index.html

switched to old leaflet version again
Merge branch 'master' of https://github.com/DeEgge/16-Bit-Maps into gh-pages
added attribution
Merge branch 'master' of https://github.com/DeEgge/16-Bit-Maps into gh-pages
README updated
updated README
Update README.md
updated readme
updated readme
new tiles, layer control
removed tiles folder