added file server for demo
async
Merge branch 'master' of https://github.com/jugi92/mobile

Conflicts:
	impress/index.html
fileserver instead of test.js
Merge branch 'master' of https://github.com/jugi92/mobile

Conflicts:
	impress/index.html
code with black background
2 more introslides
Merge remote-tracking branch 'origin/master' into gh-pages