Fixes #689 -- allow _.random() to be called with just a max, and use it in _.shuffle
Fixes #689 -- allow _.random() to be called with just a max, and use it in _.shuffle

JonAbrams/underscore,kairyan/underscore,jordanwink201/underscore,oss6/underscore,dfurtado/underscore,tnga/underscore-es,dyx/underscore,bkillenit/underscore,jonot/underscore,cgvarela/underscore,singhsterabhi/underscore,LiskHQ/underscore,dkusch/underscore,PUSEN/underscore,veg/underscore,Tim-Zhang/underscore,RepmujNetsik/underscore,wjb12/underscore,cnwhy/underscore,zabefloyd/underscore,Aplopio/underscore,megawac/underscore,youprofit/underscore,Joanna913/underscore,prosenjit-itobuz/underscore,lqjack/underscore,documentcloud/underscore,keepgoingwm/underscore,amdjs/underscore,yekg880809/underscore,kairyan/underscore,1800joe/underscore,kuychaco/underscore,imsingh/underscore,kanso/underscore,kanso/underscore,vincent1988/underscore,WangRex/underscore,premkumargithub/underscore,dxuehu/underscore,falqas/underscore,falqas/underscore,AaronNGray/underscore-server,mitar/underscore,janocat/underscore,cgvarela/underscore,elancom/underscore,debutt/underscore,Feiyang1/underscore,ereddate/underscore,ijidan/underscore,huangnan1/2016gitStudy,ElseZhang/underscore,eaglesjava/underscore,michaelficarra/underscore,jdelbello/underscore,Yangani/underscore,ligson/underscore,SeriaWei/underscore,mairasala/underscore,emiel187/underscore,starterstep/underscore,PengShi-sp/underscore,kwangkim/underscore,yuhualingfeng/underscore,RepmujNetsik/underscore,singhsterabhi/underscore,lucasfanning/underscore,colemakdvorak/underscore,oss6/underscore,Joanna913/underscore,vinodbonala/underscore,liminghui/underscore,zhangguangyong/underscore,vinodbonala/underscore,dfurtado/underscore,nickkneafsey/underscore,1800joe/underscore,dkusch/underscore,platinumazure/underscore,JonAbrams/underscore,sdwang/underscore,lis186/underscore,npmcomponent/jashkenas-underscore,jfarid27/underscore,polandeme/underscore,Tetpay/underscore,Forever8/underscore,wxmfront/underscore,keepgoingwm/underscore,imsingh/underscore,premkumargithub/underscore,lqjack/underscore,hackreactor/underscore,jordanwink201/underscore,jpalomar/underscore,Tim-Zhang/underscore,vincent1988/underscore,documentcloud/underscore,AaronNGray/underscore-server,emiel187/underscore,craigmichaelmartin/underscore,mdboop/underscore,thisismygithub/underscore,natac13/underscore,ThiagoGarciaAlves/underscore,irr/underscore,yuhualingfeng/underscore,jianganglu/underscore,rlugojr/underscore,veg/underscore,mjhasbach/underscore,PUSEN/underscore,xiaoqiang730730/underscore,prosenjit-itobuz/underscore,Gimcrack/underscore,dyx/underscore,thiswildorchid/underscore,debutt/underscore,gougouGet/underscore,youprofit/underscore,kuychaco/underscore,aziz-boudi4/underscore,polandeme/underscore,ryanwholey/underscore,jonot/underscore,strongconjunctions/underscore,thiswildorchid/underscore,braddunbar/underscore,JoaquinSiabra/underscore,jpalomar/underscore,LiskHQ/underscore,PengShi-sp/underscore,ThiagoGarciaAlves/underscore,huangnan1/2016gitStudy,Aplopio/underscore,janocat/underscore,aziz-boudi4/underscore,liyandalmllml/underscore,jolthoff/underscore,jianganglu/underscore,xiaoqiang730730/underscore,hackreactor/underscore,greyhwndz/underscore,akre54/underscore,starterstep/underscore,SeriaWei/underscore,cintiamh/underscore,michaelficarra/underscore,natac13/underscore,jiankers/underscore,dimitriwalters/underscore,snackshen/underscore,thisismygithub/underscore,jfarid27/underscore,huzion/underscore,jashkenas/underscore,liyandalmllml/underscore,yekg880809/underscore,roychen-7/underscore,irr/underscore,kwangkim/underscore,beenlee/underscore,tnga/underscore-es,platinumazure/underscore,Gimcrack/underscore,componentizr/underscore,ligson/underscore,lucasfanning/underscore,huzion/underscore,mjhasbach/underscore,jashkenas/underscore,wjb12/underscore,zabefloyd/underscore,appleboy/underscore,liminghui/underscore,dxuehu/underscore,roychen-7/underscore,rlugojr/underscore,mitar/underscore,sdwang/underscore,colemakdvorak/underscore,snackshen/underscore,bkillenit/underscore,cailong1028/underscore,craigmichaelmartin/underscore,jridgewell/underscore,paulfalgout/underscore,eaglesjava/underscore,JoaquinSiabra/underscore,elancom/underscore,lis186/underscore,greyhwndz/underscore,mairasala/underscore,SerenoShen/underscore,jdelbello/underscore,WangRex/underscore,amdjs/underscore,jiankers/underscore,ereddate/underscore,SerenoShen/underscore,gougouGet/underscore,ElseZhang/underscore,beenlee/underscore,ryanwholey/underscore,cintiamh/underscore,jolthoff/underscore,Yangani/underscore,Forever8/underscore,akre54/underscore,nickkneafsey/underscore,strongconjunctions/underscore,zhangguangyong/underscore,wxmfront/underscore,cnwhy/underscore,Feiyang1/underscore,mdboop/underscore,jridgewell/underscore,ijidan/underscore