download_strategy: don't do `tar v` on Travis CI.
download_strategy: don't do `tar v` on Travis CI.

The output is too noisy and Travis gets upset.

hakamadare/homebrew,getgauge/homebrew,treyharris/homebrew,alebcay/homebrew,reelsense/homebrew,kenips/homebrew,pdxdan/homebrew,redpen-cc/homebrew,ebouaziz/linuxbrew,AlexejK/homebrew,haihappen/homebrew,jconley/homebrew,feelpp/homebrew,johanhammar/homebrew,iandennismiller/homebrew,apjanke/homebrew,redpen-cc/homebrew,esamson/homebrew,hongkongkiwi/homebrew,gicmo/homebrew,drewwells/homebrew,galaxy001/homebrew,mactkg/homebrew,sjackman/linuxbrew,ryanfb/homebrew,mobileoverlord/homebrew-1,sakra/homebrew,teslamint/homebrew,eighthave/homebrew,LinusU/homebrew,scorphus/homebrew,adamliter/homebrew,menivaitsi/homebrew,DoomHammer/linuxbrew,dunn/homebrew,chadcatlett/homebrew,pcottle/homebrew,totalvoidness/homebrew,skinny-framework/homebrew,teslamint/homebrew,mactkg/homebrew,tschoonj/homebrew,knpwrs/homebrew,quantumsteve/homebrew,optikfluffel/homebrew,johanhammar/homebrew,Linuxbrew/linuxbrew,sakra/homebrew,sjackman/linuxbrew,ybott/homebrew,menivaitsi/homebrew,zchee/homebrew,SteveClement/homebrew,gicmo/homebrew,SuperNEMO-DBD/cadfaelbrew,jsjohnst/homebrew,ento/homebrew,deorth/homebrew,pcottle/homebrew,SuperNEMO-DBD/cadfaelbrew,sometimesfood/homebrew,cprecioso/homebrew,reelsense/linuxbrew,sferik/homebrew,treyharris/homebrew,frodeaa/homebrew,drbenmorgan/linuxbrew,Homebrew/homebrew,michaKFromParis/homebrew-sparks,pdxdan/homebrew,sjackman/linuxbrew,frodeaa/homebrew,galaxy001/homebrew,dutchcoders/homebrew,dgageot/homebrew,liamstask/homebrew,saketkc/linuxbrew,polishgeeks/homebrew,benjaminfrank/homebrew,BrewTestBot/homebrew,dongcarl/homebrew,DoomHammer/linuxbrew,cosmo0920/homebrew,decors/homebrew,cprecioso/homebrew,Linuxbrew/linuxbrew,bigbes/homebrew,drewwells/homebrew,ebouaziz/linuxbrew,kevinastone/homebrew,kodabb/homebrew,deorth/homebrew,cscetbon/homebrew,Homebrew/homebrew,apjanke/homebrew,jamer/homebrew,polishgeeks/homebrew,elyscape/homebrew,scpeters/homebrew,Chilledheart/homebrew,reelsense/linuxbrew,youtux/homebrew,ear/homebrew,emcrisostomo/homebrew,filcab/homebrew,mmizutani/homebrew,gnubila-france/linuxbrew,feelpp/homebrew,OJFord/homebrew,bigbes/homebrew,emcrisostomo/homebrew,zchee/homebrew,zchee/homebrew,ybott/homebrew,Red54/homebrew,scpeters/homebrew,youtux/homebrew,treyharris/homebrew,muellermartin/homebrew,influxdata/homebrew,afh/homebrew,bigbes/homebrew,MartinDelille/homebrew,afh/homebrew,yazuuchi/homebrew,josa42/homebrew,theeternalsw0rd/homebrew,hakamadare/homebrew,dericed/homebrew,ralic/homebrew,elyscape/homebrew,influxdb/homebrew,apjanke/homebrew,3van/homebrew,slyphon/homebrew,drbenmorgan/linuxbrew,hanxue/homebrew,elgertam/homebrew,miketheman/homebrew,miketheman/homebrew,AlexejK/homebrew,danieroux/homebrew,retrography/homebrew,jamer/homebrew,thinker0/homebrew,saketkc/linuxbrew,princeofdarkness76/homebrew,esamson/homebrew,skatsuta/homebrew,utzig/homebrew,keith/homebrew,mactkg/homebrew,mactkg/homebrew,filcab/homebrew,saketkc/linuxbrew,hongkongkiwi/homebrew,kodabb/homebrew,ablyler/homebrew,recruit-tech/homebrew,muellermartin/homebrew,AlexejK/homebrew,MoSal/homebrew,Angeldude/linuxbrew,ExtremeMan/homebrew,cprecioso/homebrew,skatsuta/homebrew,dalanmiller/homebrew,michaKFromParis/homebrew-sparks,filcab/homebrew,polishgeeks/homebrew,quantumsteve/homebrew,skinny-framework/homebrew,kenips/homebrew,yazuuchi/homebrew,utzig/homebrew,alebcay/homebrew,cscetbon/homebrew,Red54/homebrew,feelpp/homebrew,slyphon/homebrew,apjanke/homebrew,totalvoidness/homebrew,slyphon/homebrew,iostat/homebrew2,tutumcloud/homebrew,chadcatlett/homebrew,influxdb/homebrew,reelsense/homebrew,adamliter/homebrew,keith/homebrew,3van/homebrew,getgauge/homebrew,retrography/homebrew,thinker0/homebrew,MoSal/homebrew,ryanfb/homebrew,Red54/homebrew,tutumcloud/homebrew,gicmo/homebrew,dplarson/homebrew,sferik/homebrew,Asuranceturix/homebrew,knpwrs/homebrew,Homebrew/linuxbrew,reelsense/homebrew,dplarson/homebrew,Chilledheart/homebrew,hanxue/homebrew,gnubila-france/linuxbrew,dplarson/homebrew,dalanmiller/homebrew,MartinDelille/homebrew,ablyler/homebrew,Red54/homebrew,TaylorMonacelli/homebrew,elyscape/homebrew,optikfluffel/homebrew,teslamint/homebrew,pcottle/homebrew,ear/homebrew,youtux/homebrew,tschoonj/homebrew,OJFord/homebrew,pcottle/homebrew,LinusU/homebrew,dgageot/homebrew,osimola/homebrew,hakamadare/homebrew,arnested/homebrew,dickeyxxx/homebrew,booi/homebrew,thinker0/homebrew,Linuxbrew/linuxbrew,Asuranceturix/homebrew,DoomHammer/linuxbrew,dongcarl/homebrew,vigo/homebrew,quantumsteve/homebrew,nandub/homebrew,dutchcoders/homebrew,tutumcloud/homebrew,Asuranceturix/homebrew,sakra/homebrew,marcwebbie/homebrew,dutchcoders/homebrew,dericed/homebrew,royhodgman/homebrew,skinny-framework/homebrew,drbenmorgan/linuxbrew,eighthave/homebrew,cosmo0920/homebrew,joshfriend/homebrew,ralic/homebrew,muellermartin/homebrew,decors/homebrew,Homebrew/homebrew,quantumsteve/homebrew,esamson/homebrew,feelpp/homebrew,jconley/homebrew,liamstask/homebrew,haihappen/homebrew,dgageot/homebrew,chadcatlett/homebrew,hakamadare/homebrew,yazuuchi/homebrew,emcrisostomo/homebrew,AlexejK/homebrew,cprecioso/homebrew,LinusU/homebrew,totalvoidness/homebrew,recruit-tech/homebrew,decors/homebrew,utzig/homebrew,kevinastone/homebrew,Chilledheart/homebrew,ybott/homebrew,bukzor/linuxbrew,drewwells/homebrew,ear/homebrew,BrewTestBot/homebrew,brunchboy/homebrew,jamer/homebrew,mobileoverlord/homebrew-1,gnubila-france/linuxbrew,base10/homebrew,emcrisostomo/homebrew,brunchboy/homebrew,yumitsu/homebrew,johanhammar/homebrew,ilovezfs/homebrew,danieroux/homebrew,OJFord/homebrew,elgertam/homebrew,bukzor/linuxbrew,arnested/homebrew,nandub/homebrew,yumitsu/homebrew,booi/homebrew,pdxdan/homebrew,ento/homebrew,theeternalsw0rd/homebrew,iandennismiller/homebrew,BrewTestBot/homebrew,miketheman/homebrew,hongkongkiwi/homebrew,skatsuta/homebrew,adamliter/homebrew,jamer/homebrew,base10/homebrew,ybott/homebrew,haihappen/homebrew,dalanmiller/homebrew,frodeaa/homebrew,Angeldude/linuxbrew,vigo/homebrew,influxdb/homebrew,retrography/homebrew,ilovezfs/homebrew,tschoonj/homebrew,skinny-framework/homebrew,jarrettmeyer/homebrew,getgauge/homebrew,mkrapp/homebrew,keith/homebrew,MoSal/homebrew,eighthave/homebrew,LinusU/homebrew,TaylorMonacelli/homebrew,arnested/homebrew,yazuuchi/homebrew,recruit-tech/homebrew,adamliter/homebrew,BrewTestBot/homebrew,bukzor/linuxbrew,bukzor/linuxbrew,afh/homebrew,skatsuta/homebrew,lrascao/homebrew,filcab/homebrew,influxdb/homebrew,sjackman/linuxbrew,TaylorMonacelli/homebrew,theeternalsw0rd/homebrew,treyharris/homebrew,esamson/homebrew,yumitsu/homebrew,dunn/homebrew,ilovezfs/homebrew,tschoonj/homebrew,galaxy001/homebrew,reelsense/linuxbrew,benjaminfrank/homebrew,mmizutani/homebrew,mmizutani/homebrew,royhodgman/homebrew,pcottle/homebrew,ebouaziz/linuxbrew,brunchboy/homebrew,dongcarl/homebrew,cosmo0920/homebrew,mobileoverlord/homebrew-1,saketkc/linuxbrew,haihappen/homebrew,Chilledheart/homebrew,polishgeeks/homebrew,TaylorMonacelli/homebrew,royhodgman/homebrew,Homebrew/homebrew,dickeyxxx/homebrew,gawbul/homebrew,Angeldude/linuxbrew,dutchcoders/homebrew,bigbes/homebrew,Asuranceturix/homebrew,miketheman/homebrew,pdxdan/homebrew,jconley/homebrew,vigo/homebrew,kenips/homebrew,iostat/homebrew2,dickeyxxx/homebrew,princeofdarkness76/homebrew,osimola/homebrew,ilovezfs/homebrew,marcwebbie/homebrew,Asuranceturix/homebrew,georgschoelly/homebrew,dalanmiller/homebrew,ralic/homebrew,influxdata/homebrew,Angeldude/linuxbrew,iandennismiller/homebrew,arnested/homebrew,danieroux/homebrew,dplarson/homebrew,SteveClement/homebrew,kodabb/homebrew,kenips/homebrew,menivaitsi/homebrew,gnubila-france/linuxbrew,johanhammar/homebrew,influxdata/homebrew,danieroux/homebrew,cosmo0920/homebrew,galaxy001/homebrew,keith/homebrew,dunn/homebrew,joshfriend/homebrew,marcwebbie/homebrew,georgschoelly/homebrew,jsjohnst/homebrew,reelsense/linuxbrew,influxdata/homebrew,elgertam/homebrew,theeternalsw0rd/homebrew,lrascao/homebrew,knpwrs/homebrew,ExtremeMan/homebrew,booi/homebrew,frodeaa/homebrew,dunn/homebrew,redpen-cc/homebrew,kevinastone/homebrew,jsjohnst/homebrew,getgauge/homebrew,utzig/homebrew,Homebrew/linuxbrew,michaKFromParis/homebrew-sparks,scorphus/homebrew,Homebrew/linuxbrew,georgschoelly/homebrew,SteveClement/homebrew,sferik/homebrew,slyphon/homebrew,ear/homebrew,ebouaziz/linuxbrew,jsjohnst/homebrew,ablyler/homebrew,reelsense/homebrew,jarrettmeyer/homebrew,hongkongkiwi/homebrew,iostat/homebrew2,josa42/homebrew,3van/homebrew,osimola/homebrew,SteveClement/homebrew,mobileoverlord/homebrew-1,hanxue/homebrew,mmizutani/homebrew,gicmo/homebrew,ExtremeMan/homebrew,dericed/homebrew,vigo/homebrew,base10/homebrew,princeofdarkness76/homebrew,liamstask/homebrew,DoomHammer/linuxbrew,Linuxbrew/linuxbrew,recruit-tech/homebrew,drewwells/homebrew,kodabb/homebrew,joshfriend/homebrew,iandennismiller/homebrew,retrography/homebrew,brunchboy/homebrew,ryanfb/homebrew,sometimesfood/homebrew,afh/homebrew,SteveClement/homebrew,teslamint/homebrew,ento/homebrew,sferik/homebrew,menivaitsi/homebrew,MartinDelille/homebrew,eighthave/homebrew,alebcay/homebrew,mkrapp/homebrew,alebcay/homebrew,ExtremeMan/homebrew,gawbul/homebrew,sometimesfood/homebrew,MartinDelille/homebrew,drbenmorgan/linuxbrew,scpeters/homebrew,totalvoidness/homebrew,optikfluffel/homebrew,dgageot/homebrew,benjaminfrank/homebrew,dongcarl/homebrew,OJFord/homebrew,nandub/homebrew,nandub/homebrew,elyscape/homebrew,kevinastone/homebrew,benjaminfrank/homebrew,3van/homebrew,jarrettmeyer/homebrew,gawbul/homebrew,Homebrew/linuxbrew,elgertam/homebrew,deorth/homebrew,georgschoelly/homebrew,mkrapp/homebrew,jarrettmeyer/homebrew,dickeyxxx/homebrew,redpen-cc/homebrew,SuperNEMO-DBD/cadfaelbrew,thinker0/homebrew,youtux/homebrew,osimola/homebrew,muellermartin/homebrew,marcwebbie/homebrew,ento/homebrew,cscetbon/homebrew,zchee/homebrew,ryanfb/homebrew,knpwrs/homebrew,lrascao/homebrew,sakra/homebrew,iostat/homebrew2,dericed/homebrew,MoSal/homebrew,SuperNEMO-DBD/cadfaelbrew,liamstask/homebrew,hanxue/homebrew,scorphus/homebrew,josa42/homebrew,optikfluffel/homebrew,ralic/homebrew,decors/homebrew,base10/homebrew,jconley/homebrew,princeofdarkness76/homebrew,sometimesfood/homebrew,tutumcloud/homebrew,scpeters/homebrew,royhodgman/homebrew,scorphus/homebrew,ablyler/homebrew