Make the histogram clustering function more generic.
Make the histogram clustering function more generic.

Change the template parameter to be the histogram class
instead of the alphabet size of the histogram.

ya7lelkom/brotli,sajith4u/brotli,panaroma/brotli,mcanthony/brotli,madhudskumar/brotli,Bulat-Ziganshin/brotli,WenyuDeng/brotli,abhishekgahlot/brotli,dwdm/brotli,mk525/Code,karpinski/brotli,zhaohuaw/brotli,Mojang/brotli,sonivaibhv/brotli,noname007/brotli,erichub/brotli,Merterm/brotli,s0ne0me/brotli,rajat1994/brotli,W3SS/brotli,daltonmaag/brotli,stamhe/brotli,Mojang/brotli,gk23/brotli,Abhikos/brotli,fllsouto/brotli,rajathkumarmp/brotli,merckhung/brotli,andrebellafronte/brotli,iamjbn/brotli,cosmicwomp/brotli,ya7lelkom/brotli,shilpi230/brotli,gk23/brotli,koolhazz/brotli,matsprea/brotli,fllsouto/brotli,johnnycastilho/brotli,CedarLogic/brotli,caidongyun/brotli,eric-seekas/brotli,iamjbn/brotli,shadowkun/brotli,W3SS/brotli,anthrotype/brotli,datachand/brotli,jqk6/brotli,eric-seekas/brotli,panaroma/brotli,IIoTeP9HuY/brotli,lzq8272587/brotli,king-jw/brotli,BuildAPE/brotli,windhorn/brotli,leo237/brotli,gk23/brotli,thurday/brotli,panaroma/brotli,lukw00/brotli,agordon/brotli,hcxiong/brotli,ruo91/brotli,noname007/brotli,smourier/brotli,Bulat-Ziganshin/brotli,google/brotli,jqk6/brotli,emil-io/brotli,sajith4u/brotli,mcanthony/brotli,lukw00/brotli,google/brotli,archiveds/brotli,zofuthan/brotli,shilpi230/brotli,leo237/brotli,yonchev/brotli,iamjbn/brotli,kaushik94/brotli,bunnyblue/brotli,eric-seekas/brotli,daltonmaag/brotli,rajat1994/brotli,WenyuDeng/brotli,datachand/brotli,abhishekgahlot/brotli,kaushik94/brotli,karpinski/brotli,dragon788/brotli,nicksay/brotli,madhudskumar/brotli,windhorn/brotli,chrislucas/brotli,tml/brotli,caidongyun/brotli,yiliaofan/brotli,rasata/brotli,Endika/brotli,rayning0/brotli,hemel-cse/brotli,hcxiong/brotli,Merterm/brotli,mark2007081021/brotli,andrebellafronte/brotli,jacklicn/brotli,madhudskumar/brotli,google/brotli,bunnyblue/brotli,stamhe/brotli,king-jw/brotli,Bulat-Ziganshin/brotli,fxfactorial/brotli,smourier/brotli,rayning0/brotli,nicksay/brotli,panaroma/brotli,merckhung/brotli,FarhanHaque/brotli,josl/brotli,jacklicn/brotli,shaunstanislaus/brotli,smourier/brotli,zofuthan/brotli,mk525/Code,king-jw/brotli,ebiggers/brotli,fouzelddin/brotli,andrebellafronte/brotli,matsprea/brotli,letup/brotli,mark2007081021/brotli,rgordeev/brotli,rajat1994/brotli,rajathkumarmp/brotli,koolhazz/brotli,google/brotli,rasata/brotli,samtechie/brotli,chinanjjohn2012/brotli,sonivaibhv/brotli,emil-io/brotli,fouzelddin/brotli,andrebellafronte/brotli,fxfactorial/brotli,minhlongdo/brotli,tml/brotli,google/brotli,samtechie/brotli,mk525/Code,rayning0/brotli,luzhongtong/brotli,karpinski/brotli,rasata/brotli,anthrotype/brotli,daltonmaag/brotli,QuantumFractal/brotli,zofuthan/brotli,hcxiong/brotli,luzhongtong/brotli,thurday/brotli,carlhuting/brotli,lvandeve/brotli,carlhuting/brotli,WenyuDeng/brotli,sonivaibhv/brotli,google/brotli,szabadka/brotli,jacklicn/brotli,rasata/brotli,erichub/brotli,jqk6/brotli,yiliaofan/brotli,samtechie/brotli,cosmicwomp/brotli,szabadka/brotli,W3SS/brotli,windhorn/brotli,fxfactorial/brotli,rafaelbc/brotli,rajat1994/brotli,Bulat-Ziganshin/brotli,nicksay/brotli,shilpi230/brotli,s0ne0me/brotli,PritiKumr/brotli,s0ne0me/brotli,dragon788/brotli,chrislucas/brotli,yiliaofan/brotli,lvandeve/brotli,fouzelddin/brotli,iamjbn/brotli,luzhongtong/brotli,nicksay/brotli,kasper93/brotli,josl/brotli,abhishekgahlot/brotli,minhlongdo/brotli,johnnycastilho/brotli,bunnyblue/brotli,josl/brotli,stamhe/brotli,smourier/brotli,rajathkumarmp/brotli,hemel-cse/brotli,Endika/brotli,nicksay/brotli,abhishekgahlot/brotli,stamhe/brotli,yonchev/brotli,lukw00/brotli,shaunstanislaus/brotli,eric-seekas/brotli,silky/brotli,ya7lelkom/brotli,ebiggers/brotli,koolhazz/brotli,CedarLogic/brotli,BuildAPE/brotli,IIoTeP9HuY/brotli,cosmicwomp/brotli,rgordeev/brotli,PritiKumr/brotli,zhaohuaw/brotli,PritiKumr/brotli,agordon/brotli,rajathkumarmp/brotli,noname007/brotli,letup/brotli,matsprea/brotli,Merterm/brotli,google/brotli,fllsouto/brotli,merckhung/brotli,FarhanHaque/brotli,yiliaofan/brotli,mcanthony/brotli,QuantumFractal/brotli,shadowkun/brotli,thurday/brotli,ebiggers/brotli,fllsouto/brotli,mark2007081021/brotli,rafaelbc/brotli,josl/brotli,mk525/Code,noname007/brotli,Mojang/brotli,ruo91/brotli,agordon/brotli,PritiKumr/brotli,mcanthony/brotli,s0ne0me/brotli,hcxiong/brotli,letup/brotli,dwdm/brotli,rgordeev/brotli,datachand/brotli,shilpi230/brotli,madhudskumar/brotli,anthrotype/brotli,merckhung/brotli,rgordeev/brotli,johnnycastilho/brotli,kasper93/brotli,leo237/brotli,shadowkun/brotli,daltonmaag/brotli,smourier/brotli,minhlongdo/brotli,ruo91/brotli,fouzelddin/brotli,IIoTeP9HuY/brotli,rayning0/brotli,WenyuDeng/brotli,szabadka/brotli,lvandeve/brotli,Abhikos/brotli,google/brotli,karpinski/brotli,Endika/brotli,gk23/brotli,BuildAPE/brotli,jqk6/brotli,carlhuting/brotli,chinanjjohn2012/brotli,FarhanHaque/brotli,matsprea/brotli,anthrotype/brotli,silky/brotli,king-jw/brotli,lzq8272587/brotli,sonivaibhv/brotli,ya7lelkom/brotli,yonchev/brotli,CedarLogic/brotli,silky/brotli,silky/brotli,chinanjjohn2012/brotli,Endika/brotli,Abhikos/brotli,ruo91/brotli,sajith4u/brotli,chinanjjohn2012/brotli,minhlongdo/brotli,FarhanHaque/brotli,nicksay/brotli,jacklicn/brotli,emil-io/brotli,hemel-cse/brotli,dragon788/brotli,QuantumFractal/brotli,koolhazz/brotli,hemel-cse/brotli,datachand/brotli,archiveds/brotli,rafaelbc/brotli,sajith4u/brotli,lukw00/brotli,rafaelbc/brotli,erichub/brotli,kasper93/brotli,carlhuting/brotli,lvandeve/brotli,anthrotype/brotli,QuantumFractal/brotli,tml/brotli,luzhongtong/brotli,zhaohuaw/brotli,dwdm/brotli,thurday/brotli,lzq8272587/brotli,kaushik94/brotli,shaunstanislaus/brotli,yonchev/brotli,leo237/brotli,letup/brotli,chrislucas/brotli,nicksay/brotli,erichub/brotli,bunnyblue/brotli,windhorn/brotli,johnnycastilho/brotli,archiveds/brotli,Abhikos/brotli,dwdm/brotli,emil-io/brotli,IIoTeP9HuY/brotli,Merterm/brotli,BuildAPE/brotli,CedarLogic/brotli,mark2007081021/brotli,zofuthan/brotli,cosmicwomp/brotli,shaunstanislaus/brotli,kasper93/brotli,szabadka/brotli,kaushik94/brotli,agordon/brotli,dragon788/brotli,chrislucas/brotli,shadowkun/brotli,samtechie/brotli,ebiggers/brotli,zhaohuaw/brotli,tml/brotli,W3SS/brotli,caidongyun/brotli,Mojang/brotli,lzq8272587/brotli,caidongyun/brotli,archiveds/brotli,fxfactorial/brotli