added server.js, client.js, index.html
added markdown-files
added getMedia()
improved client.js, minor changes on markup & server.js
changes in server.js to manage two connections
added about.md, muted own-video-element
extended markdown-files
extended MD-files; minor JS-changes
finished writing the client-tutorial, removed moz-support
minor textchanges
moved all markdown to README
removed ZIP