Fixes #1701 -- improves documentation for model.off()
Fixes #1701 -- improves documentation for model.off()

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