Update README.md to describe Gulp-based build
Update README.md to describe Gulp-based build

Also, better information about how to include the resulting files in a project.
soulcm/flux,RomanTsopin/flux,sibinx7/flux,kiopl/flux,davidgbe/flux,doxiaodong/flux,ayarulin/flux,tungmv7/flux,rtfeldman/flux,reinaldo13/flux,zachwooddoughty/flux,kangkot/flux,latkins/flux,georgetoothman/flux-todo,rkho/flux,crsgypin/flux,maximvl/flux,keikun17/flux,Chen-Han/flux,latkins/flux,tcxq42aa/flux,alexeygusak/flux,Eric-Vandenberg/flux,noahlt/flux,djfm/flux,YakovAvramenko/flux,oopchoi/flux,gnoesiboe/flux,gaurav1981/flux,amoskyler/flux,knrm/flux,grandsong/flux,gaurav1981/flux,kangkot/flux,lilien1010/flux,wandrejevic/flux,lyip1992/flux,zhzenghui/flux,unidevel/flux,garylgh/flux,oopchoi/flux,topogigiovanni/flux,ephetic/flux,viviancpy/flux,0rangeT1ger/flux,viviancpy/flux,noahlt/flux,0rangeT1ger/flux,micahlmartin/flux,Jonekee/flux,vijayasingh523/flux,chienchienchen/flux,garylgh/flux,chrismoulton/flux,james4388/flux,wandrejevic/flux,jarl-alejandro/flux,bartcharbon/flux,Chen-Han/flux,gaurav1981/flux,gougouGet/flux,ludiculous/flux,tinygrasshopper/flux,ayarulin/flux,vijayasingh523/flux,doron2402/flux,kris1226/flux,steveleec/flux,wrrnwng/flux,hanan198501/flux,Lhuihui/flux,akhilxavierm/flux,mcanthony/flux,usufruct/flux,glitch100/flux,MjAbuz/flux,keikun17/flux,haruair/flux,jarl-alejandro/flux,hokennethk/flux,vl-lapikov/flux,sibinx7/flux,thewarpaint/flux,magus0219/flux,nikhyl/flux,micahlmartin/flux,mzbac/flux,dbenson24/flux,mattvanhorn/flux,blazenko/flux,lgvalle/flux,tbutman/flux,kaushik94/flux,siddhartharay007/flux,slapheadted/flux-nukebox,mzbac/flux,maksymshtyria/flux,chienchienchen/flux,tungmv7/flux,justin3737/flux,alexeybondarenko/flux,jonathanpeterwu/flux,Binzzzz/flux,venkateshdaram434/flux,bilboJ/flux,tom-mats/flux,reinaldo13/flux,haruair/flux,steveleec/flux,topogigiovanni/flux,fauzan182/flux,ruistime/flux,aaron-goshine/flux,dqdinh/flux,ayarulin/flux,eclectriq/flux,thewarpaint/flux,Chen-Han/flux,cgack/flux,alexeygusak/flux,tcxq42aa/flux,andela-cijeomah/flux,dbenson24/flux,hoozi/flux,tcat/flux,danielchatfield/flux,thewarpaint/flux,JanChw/flux,akhilxavierm/flux,ludiculous/flux,doron2402/flux,sahat/flux,tcat/flux,LeeChSien/flux,dingdingvsjj/flux,jeffj/flux,aecca/flux,Zagorakiss/flux,JunyaOnishi/flux,rtfeldman/flux,dmlinn/flux,nvoron23/flux,ruistime/flux,briantopping/flux,birendra-ideas2it/flux,thebergamo/flux,alemontree/flux,DimitarRuskov/flux,yejodido/flux,chenckang/flux,cgack/flux,knrm/flux,jeffj/flux,rkho/flux,rohannair/flux,Jonekee/flux,cold-brew-coding/flux,fauzan182/flux,gajus/flux,crzidea/flux,lauramoore/flux,bilboJ/flux,crsgypin/flux,Aweary/flux,jmandel/flux,harrykiselev/flux,cjmanetta/flux,kwangkim/flux,alucas/flux,jmandel/flux,songguangyu/flux,lgvalle/flux,gajus/flux,gold3bear/flux,chikamichi/flux,Lhuihui/flux,crsgypin/flux,zhanglingkang/flux,nikhyl/flux,cgack/flux,zachwooddoughty/flux,nvoron23/flux,pj8063/flux,UIKit0/flux-1,james4388/flux,djfm/flux,rohannair/flux,roshow/flux,micahlmartin/flux,nvoron23/flux,thadiggitystank/flux,ruistime/flux,danielchatfield/flux,cjmanetta/flux,grandsong/flux,rachidmrad/flux,johan/flux,kris1226/flux,amoskyler/flux,gougouGet/flux,maximvl/flux,yanarchy/flux,lifebeyondfife/flux-todomvc,Zagorakiss/flux,maksymshtyria/flux,mircle/flux,jdholdren/flux,Binzzzz/flux,danekszy/flux,mandaltapesh/flux,aaron-goshine/flux,chenckang/flux,shunyitian/flux,unidevel/flux,MjAbuz/flux,DimitarRuskov/flux,crsr/flux,Eric-Vandenberg/flux,alexeybondarenko/flux,hanan198501/flux,gajus/flux,rachidmrad/flux,thebergamo/flux,rstefek/flux,lifebeyondfife/flux-todomvc,mcanthony/flux,Demian-Moschin/flux,baiwyc119/flux,georgetoothman/flux-todo,unidevel/flux,kaushik94/flux,crsr/flux,alemontree/flux,crzidea/flux,aijiekj/flux,tcat/flux,tom-mats/flux,crzidea/flux,aijiekj/flux,ataker/flux,magus0219/flux,taylorhxu/flux,Eric-Vandenberg/flux,chenckang/flux,kris1226/flux,lgvalle/flux,keikun17/flux,davidgbe/flux,harrykiselev/flux,kwangkim/flux,runn1ng/flux,tungmv7/flux,danekszy/flux,monkeyFeathers/flux,zshift/flux,rkho/flux,juliangamble/flux,bartcharbon/flux,robhogfeldt-fron15/flux,roshow/flux,MykolaBova/flux,blazenko/flux,RomanTsopin/flux,slapheadted/flux-nukebox,andela-cijeomah/flux,kiopl/flux,hokennethk/flux,prabhash1785/flux,gold3bear/flux,v2018z/flux,icefoggy/flux,rstefek/flux,hoozi/flux,monkeyFeathers/flux,knrm/flux,superphung/flux,zshift/flux,viviancpy/flux,runn1ng/flux,jinkea/flux,prabhash1785/flux,songguangyu/flux,yanarchy/flux,tom-mats/flux,jugend/flux,ksivam/flux,mattvanhorn/flux,robhogfeldt-fron15/flux,JunyaOnishi/flux,fauzan182/flux,harrykiselev/flux,nikhyl/flux,aecca/flux,soulcm/flux,dqdinh/flux,chikamichi/flux,ataker/flux,UIKit0/flux-1,shunyitian/flux,prabhash1785/flux,jeremyhu9/flux,zhanglingkang/flux,JanChw/flux,yejodido/flux,rtfeldman/flux,justin3737/flux,cold-brew-coding/flux,jinkea/flux,jonathanpeterwu/flux,YakovAvramenko/flux,mircle/flux,albi34/flux,LeeChSien/flux,albi34/flux,lyip1992/flux,baijuachari/flux,ataker/flux,djfm/flux,ephetic/flux,noahlt/flux,lishengzxc/flux,juliangamble/flux,lilien1010/flux,gfogle/elm-todomvc,latkins/flux,stevemao/flux,ephetic/flux,steveleec/flux,alemontree/flux,chienchienchen/flux,CedarLogic/flux,tcxq42aa/flux,Aweary/flux,gnoesiboe/flux,doxiaodong/flux,debbas/ChatV2,johan/flux,pj8063/flux,chenrui2014/flux,briantopping/flux,venkateshdaram434/flux,zshift/flux,jdholdren/flux,oopchoi/flux,birendra-ideas2it/flux,wrrnwng/flux,avinnakota/flux,lishengzxc/flux,glitch100/flux,chrismoulton/flux,bartcharbon/flux,vl-lapikov/flux,tinygrasshopper/flux,debbas/ChatV2,taylorhxu/flux,ShannonStoner/flux,zhzenghui/flux,bertomartin/flux,UIKit0/flux-1,CedarLogic/flux,siddhartharay007/flux,ShannonStoner/flux,usufruct/flux,baijuachari/flux,gnoesiboe/flux,baiwyc119/flux,Zagorakiss/flux,debbas/ChatV2,chenrui2014/flux,avinnakota/flux,mandaltapesh/flux,dmlinn/flux,jarl-alejandro/flux,DimitarRuskov/flux,Aweary/flux,lauramoore/flux,sahat/flux,danielchatfield/flux,icefoggy/flux,reinaldo13/flux,ksivam/flux,dingdingvsjj/flux,avinnakota/flux,tbutman/flux,alexeybondarenko/flux,alucas/flux,amoskyler/flux,juliangamble/flux,thadiggitystank/flux,eclectriq/flux,jugend/flux,superphung/flux,MykolaBova/flux,bilboJ/flux,Demian-Moschin/flux,v2018z/flux,lifebeyondfife/flux-todomvc,crsr/flux,gfogle/elm-todomvc,jeremyhu9/flux,maksymshtyria/flux,lishengzxc/flux,haruair/flux,dqdinh/flux,stevemao/flux,bertomartin/flux,slapheadted/flux-nukebox