Fixed 'realtime app' disclaimer to include the '--save' option for 'npm install socket.io'.
Fixed 'realtime app' disclaimer to include the '--save' option for 'npm install socket.io'.

kolonse/ejs,cnwhy/ejs,cnwhy/ejs,TimothyGu/ejs-tj,xanxiver/ejs,mmis1000/ejs-promise,zensh/ejs,tyduptyler13/ejs,kolonse/ejs,zensh/ejs,operatino/ejs,jtsay362/solveforall-ejs2,insidewarehouse/ejs,rpaterson/ejs,insidewarehouse/ejs,TimothyGu/ejs-tj,mde/ejs