Updated IntelliJ setup with missing step
Updated IntelliJ setup with missing step

Clarified steps to setup IntelliJ by adding in missing step.
mkurz/playframework,Shruti9520/playframework,mkurz/playframework,benmccann/playframework,marcospereira/playframework,benmccann/playframework,hagl/playframework,playframework/playframework,zaneli/playframework,richdougherty/playframework,Shenker93/playframework,wsargent/playframework,mkurz/playframework,richdougherty/playframework,ktoso/playframework,Shruti9520/playframework,marcospereira/playframework,benmccann/playframework,aradchykov/playframework,ktoso/playframework,wsargent/playframework,zaneli/playframework,richdougherty/playframework,Shruti9520/playframework,Shenker93/playframework,richdougherty/playframework,Shenker93/playframework,wegtam/playframework,wsargent/playframework,playframework/playframework,hagl/playframework,hagl/playframework,aradchykov/playframework,aradchykov/playframework,playframework/playframework,wegtam/playframework,Shruti9520/playframework,zaneli/playframework,aradchykov/playframework,ktoso/playframework,Shenker93/playframework,wsargent/playframework,ktoso/playframework,rajeshpg/playframework,marcospereira/playframework,wegtam/playframework,wegtam/playframework,hagl/playframework,rajeshpg/playframework,marcospereira/playframework,rajeshpg/playframework,mkurz/playframework,zaneli/playframework,benmccann/playframework,rajeshpg/playframework