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'.

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