re-wording the intro 'graf, adding links.
re-wording the intro 'graf, adding links.

trizko/backbone,howtolearntocode/backbone,ntgn81/backbone,mmolinastudio/backbone,ThisIsManta/Backbone,youprofit/backbone,Krasnyanskiy/backbone,LovelyL25/backbone.js,lujocom/backbone,linalu1/backbone,jewsroch/backbone,leimd/backbone,kuychaco/backbone,aihua/backbone,zgl2007dj/backbone,wakanpaladin/mybackbone,Connectlegendary/backbone,moccen/backbone,7213/backbone,zhangdimelody/backbone,cailong1028/backbone,GerHobbelt/backbone,trizko/backbone,Flip120/backbone,oss-practice/backbone,tzkKrbys/backbone,Akkuma/backbone,gmaclennan/backbone,luffy94608/backbone,wxmfront/backbone,amdjs/backbone,7213/backbone,sueyeh/backbone,ppker/backbone,udhayam/backbone,dcheepurupalli/backbone,closeio/backbone,dillonforrest/backbone-df,maryrosecook/backbone-df,zhoufan879/backbone,tibic/backbone,gitterHQ/backbone,batigoal1980/backbone_example,jridgewell/backbone,feychenie/backbone,premkumargithub/backbone,vin100bk/backbone,gmaclennan/backbone,cailong1028/backbone,Sachin-Ganesh/backbone,streamablevideo/backbone,dak/backbone,edgeware/backbone,nikolas/backbone,Sachin-Ganesh/backbone,huanglp47/backbone,zgl2007dj/backbone,maryrosecook/backbone-df-2,npmcomponent/solutionio-backbone,lujocom/backbone,yawenl/backbone,webapp/library,maryrosecook/backbone-df,JesseQin/backbone,maryrosecook/backbone-df-2,gfranko/backbone,linalu1/backbone,GrimDerp/backbone,ridixcr/backbone,sitexa/backbone,rjz/boneless,jungjung917/backbone,guigrpa/backbone,moimikey/backbone,honger05/backbone,heroazure/backbone,sunday-star/backbone,lastjune/backbone,dillonforrest/backbone-df,christianqw/backbone,ereddate/backbone,wakanpaladin/mybackbone,JesseQin/backbone,componentizr/backbone,Aplopio/backbone,jstrimpel/backbone,ywenjinlin/backbone,megawac/backbone,FishbaitHarry/backbone,honger05/backbone,au-phiware/backbone,amitpatange88/backbonejs,wushuyi/backbone,zdespolit/backbone,webcoding/backbone,webapp/library,maryrosecook/backbone-df,mpapp/backbone,IsoldaJS/isolda-models,jmeas/backbone,ppker/backbone,akre54/backbone,braddunbar/backbone,pandoraui/backbone,vin100bk/backbone,huanglp47/backbone,IsoldaJS/isolda-pubsub,malandrew/backbone,embarknow/backbone,luffy94608/backbone,ebsco/backbone,dillonforrest/backbone-df,wxmfront/backbone,elancom/backbone,fanhc019/backbone,Bug2014/backbone,jashkenas/backbone,udhayam/backbone,christianqw/backbone,tgriesser/backbone,closeio/backbone,gfranko/backbone,chyeh727/backbone,jstrimpel/backbone,darrrk/backbone,dillonforrest/backbone-df-2,d2s/backbone,wangcan2014/backbone,ThisIsManta/Backbone,Khan/backbone,elancom/backbone,platinumazure/backbone,cgvarela/backbone,Aplopio/backbone,dillonforrest/backbone-df-2,tzkKrbys/backbone,gougouGet/backbone,moccen/backbone,leimd/backbone,anhtholee/backbone,GerHobbelt/backbone,nvoron23/backbone,sumyfly/backbone,Krasnyanskiy/backbone,kuychaco/backbone,darrrk/backbone,tadwhitaker/backbone,moimikey/backbone,streamablevideo/backbone,paulfalgout/backbone,jungjung917/backbone,pandoraui/backbone,sumyfly/backbone,wjb12/backbone,npmcomponent/solutionio-backbone,timebackzhou/backbone,neocotic/hipbone,ThiagoGarciaAlves/backbone,ThiagoGarciaAlves/backbone,gougouGet/backbone,FormidableLabs/backbone,Khan/backbone,Diwahars/backbone,ntgn81/backbone,DannyDelott/backbone,chyeh727/backbone,antoniogarrote/backbone,timebackzhou/backbone,amitpatange88/backbonejs,nikolas/backbone,zhoufan879/backbone,jasoncbautista/backboneX,paulfalgout/backbone,Aplopio/backbone,lastjune/backbone,maryrosecook/backbone-df-2,premkumargithub/backbone,zhangdimelody/backbone,embarknow/backbone,elma-cao/backbone,mmolinastudio/backbone,jewsroch/backbone,christianqw/backbone,neocotic/hipbone,craigmichaelmartin/backbone,rashmisajjan/backbone,yuhualingfeng/backbone,FishbaitHarry/backbone,braddunbar/backbone,ohbarye/backbone,malandrew/backbone,webcoding/backbone,guahanweb/backbone,howtolearntocode/backbone,ohbarye/backbone,alekskorolev/lightbones,GrimDerp/backbone,akre54/backbone,batigoal1980/backbone_example,platinumazure/backbone,dillonforrest/backbone-df-2,Khan/backbone,dcheepurupalli/backbone,jashkenas/backbone,Niades/backbone,getshuvo/backbone,wushuyi/backbone,d2s/backbone,DannyDelott/backbone,yuhualingfeng/backbone,ywenjinlin/backbone,getshuvo/backbone,wangdahoo/backbone,tibic/backbone,elma-cao/backbone,zhangwei001/backbone,alekskorolev/lightbones,wangcan2014/backbone,wangdahoo/backbone,mrblueblue/backbone,jordansexton/backboner,craigmichaelmartin/backbone,mrblueblue/backbone,guahanweb/backbone,heroazure/backbone,feychenie/backbone,fanhc019/backbone,ridixcr/backbone,ebsco/backbone,liudianpeng/backbone,vlazzle/ax-todos,zhangwei001/backbone,dak/backbone,yawenl/backbone,hugohua/backbone,virtru-components/backbone,Connectlegendary/backbone,liudianpeng/backbone,anhtholee/backbone,Niades/backbone,addyosmani/backbone,aihua/backbone,wjb12/backbone,jridgewell/backbone,npmcomponent/jashkenas-backbone,gdi2290/backbone,ereddate/backbone,LovelyL25/backbone.js,vincent1988/backbone,sueyeh/backbone,youprofit/backbone,vincent1988/backbone,jmeas/backbone,rashmisajjan/backbone,nvoron23/backbone,edgeware/backbone,vlazzle/ax-todos,zdespolit/backbone,sitexa/backbone,sunday-star/backbone,Bug2014/backbone,addyosmani/backbone,Diwahars/backbone,tadwhitaker/backbone,cgvarela/backbone,Flip120/backbone,au-phiware/backbone