Added extensive comments into extractIntl.js
Added extensive comments into extractIntl.js

tomazy/react-boilerplate,w01fgang/react-boilerplate,mmaedel/react-boilerplate,mmaedel/react-boilerplate,abasalilov/react-boilerplate,KarandikarMihir/react-boilerplate,Dattaya/react-boilerplate-object,rlagman/raphthelagman,codermango/BetCalculator,perry-ugroop/ugroop-react-dup2,Dmitry-N-Medvedev/motor-collection,likesalmon/likesalmon-react-boilerplate,Dmitry-N-Medvedev/motor-collection,mikejong0815/Temp,Dattaya/react-boilerplate-object,Demonslyr/Donut.WFE.Customer,pauleonardo/demo-trans,mikejong0815/Temp,pauleonardo/demo-trans,gihrig/react-boilerplate,haxorbit/chiron,ipselon/react-boilerplate-clone,gtct/wallet.eine.com,be-oi/beoi-training-client,gihrig/react-boilerplate-logic,JonathanMerklin/react-boilerplate,Jan-Jan/react-hackathon-boilerplate,abasalilov/react-boilerplate,gtct/wallet.eine.com,ipselon/react-boilerplate-clone,chaintng/react-boilerplate,tomazy/react-boilerplate,gtct/wallet.eine.com,SilentCicero/react-boilerplate,react-boilerplate/react-boilerplate,kaizen7-nz/gold-star-chart,TheTopazWombat/levt-2,blockfs/frontend-react,mxstbr/react-boilerplate,romanvieito/ball-simpler,gtct/wallet.eine.com,mxstbr/react-boilerplate,Dmitry-N-Medvedev/motor-collection,haithemT/app-test,Proxiweb/react-boilerplate,s0enke/react-boilerplate,gihrig/react-boilerplate,perry-ugroop/ugroop-react-dup2,Demonslyr/Donut.WFE.Customer,react-boilerplate/react-boilerplate,w01fgang/react-boilerplate,shiftunion/bot-a-tron,kaizen7-nz/gold-star-chart,haxorbit/chiron,Proxiweb/react-boilerplate,be-oi/beoi-training-client,s0enke/react-boilerplate,blockfs/frontend-react,KarandikarMihir/react-boilerplate,rlagman/raphthelagman,AnhHT/react-boilerplate,SilentCicero/react-boilerplate,samit4me/react-boilerplate,haithemT/app-test,likesalmon/likesalmon-react-boilerplate,AnhHT/react-boilerplate,samit4me/react-boilerplate,romanvieito/ball-simpler,kossel/react-boilerplate,JonathanMerklin/react-boilerplate,chaintng/react-boilerplate,Jan-Jan/react-hackathon-boilerplate,codermango/BetCalculator,shiftunion/bot-a-tron,Dmitry-N-Medvedev/motor-collection,TheTopazWombat/levt-2,gihrig/react-boilerplate-logic,Proxiweb/react-boilerplate,kossel/react-boilerplate,s0enke/react-boilerplate