Update README to point to https://github.com/kandanapp/kandan

Please checkout https://github.com/kandanapp/kandan for further Kandan development.
Improved link publishing
Merge branch 'master' of https://github.com/mvallerie/kandan

Conflicts:
	README.md
	app/assets/javascripts/backbone/plugins/link_embed.js.coffee
Adding new link formatting [link](http://link)