First pages commit
added slides
Merge branch 'master' into gh-pages

Conflicts:
	examples/express/app.js
	examples/express/demo/app.js
	examples/express/demo/node_modules/.bin/express
	examples/express/demo/node_modules/.bin/jade
	examples/express/node_modules/.bin/express
	examples/socketio-example/node_modules/socket.io/node_modules/socket.io-client/node_modules/.bin/uglifyjs
	examples/socketio-example/node_modules/socket.io/node_modules/socket.io-client/node_modules/.bin/wscat
	index.html
missed merged file