Fixed `make docs`. HTML output is moved to build/docs.
Fixed `make docs`. HTML output is moved to build/docs.

hayate/bottle,kevinmel2000/bottle,StdioA/bottle,Inndy/bottle,AWFU/bottle,kevinmel2000/bottle,bottlepy/bottle,myzhan/bottle,oz123/bottle,Kjuly/bottle,ListFranz/bottle,SmithSamuelM/bottle,prologic/bottle,StdioA/bottle,mefyl/bottle,fkazimierczak/bottle,CentricWebEstate/bottle,defnull/bottle,khirayama/bottle,catroot/bottle,defnull/bottle,gaotongfei/bottle,wangjun/bottle,SamuelMarks/bottle,Kjuly/bottle,adampresley/bottle,hayate/bottle,prologic/bottle,fkazimierczak/bottle,taisa007/bottle-ja,adampresley/bottle,samstav/bottle,oz123/bottle,enzzc/bottle,kevintaw/bottle,hkmshb/bottle,hkmshb/bottle,myzhan/bottle,AWFU/bottle,gaotongfei/bottle,khirayama/bottle,taisa007/bottle-ja,ericfrederich/bottle,ericfrederich/bottle,Inndy/bottle,ifduyue/bottle,samstav/bottle,CentricWebEstate/bottle,mefyl/bottle,adragomir/bottle,adragomir/bottle,xsank/bottle,wangjun/bottle,enzzc/bottle,SamuelMarks/bottle,bottlepy/bottle,mrdon/bottle,ListFranz/bottle,SmithSamuelM/bottle,kevintaw/bottle,ifduyue/bottle,mrdon/bottle,adragomir/bottle,catroot/bottle