Force single-job bundle install
Force single-job bundle install

This avoids problems with corrupt gem files.

This override of standard Travis CI configuration will probably no
longer be needed with Rubygems 2.5. See also
https://github.com/rubygems/rubygems/issues/982.

alexdowad/rubocop,tranvictor/rubocop,dreyks/rubocop,fastly/rubocop,jmks/rubocop,imtayadeway/rubocop,jmks/rubocop,MeetMe/rubocop,palkan/rubocop,martinciu/rubocop,smakagon/rubocop,mikegee/rubocop,rrosenblum/rubocop,Likita/rubocop,sachin21/rubocop,MeetMe/rubocop,sue445/rubocop,dennisfaust/rubocop,mlitwiniuk/rubocop,alexcstark/rubocop,miquella/rubocop,seanhussey/rubocop,syndbg/rubocop,net-engine/rubocop,akihiro17/rubocop,mrb/rubocop,scottmatthewman/rubocop,sue445/rubocop,irfanah/rubocop,sinsoku/rubocop,deivid-rodriguez/rubocop,zBMNForks/rubocop,net-engine/rubocop,sch1zo/rubocop,jonas054/rubocop,agrimm/rubocop,Koronen/rubocop,vassilevsky/rubocop,melch/rubocop,sachin21/rubocop,tejasbubane/rubocop,vergenzt/rubocop,deepj/rubocop,byroot/rubocop,meganemura/rubocop,volkert/rubocop,ilansh/rubocop,unmanbearpig/rubocop,legendetm/rubocop,tejasbubane/rubocop,bglusman/rubocop,dreyks/rubocop,smakagon/rubocop,mikegee/rubocop,tdeo/rubocop,janusnic/rubocop,deivid-rodriguez/rubocop,lumeet/rubocop,deivid-rodriguez/rubocop,miquella/rubocop,edmz/rubocop,savef/rubocop,panthomakos/rubocop,Talentee/rubocop,dmnd/rubocop,kjavier/rubocop,melch/rubocop,jfelchner/rubocop,jmks/rubocop,urbanautomaton/rubocop,karreiro/rubocop,maxjacobson/rubocop,palkan/rubocop,byroot/rubocop,matugm/rubocop,lumeet/rubocop,pocke/rubocop,scottmatthewman/rubocop,plribeiro3000/rubocop,Drenmi/rubocop,akihiro17/rubocop,josiahsoh/rubocop,mikegee/rubocop,tranvictor/rubocop,volkert/rubocop,hanumakanthvvn/rubocop,stbenjam/rubocop,jfelchner/rubocop,dblock/rubocop,imtayadeway/rubocop,benlovell/rubocop,alexcstark/rubocop,karreiro/rubocop,seanhussey/rubocop,mlitwiniuk/rubocop,panthomakos/rubocop,sferik/rubocop,akihiro17/rubocop,mrfoto/rubocop,hamhut1066/rubocop,agrimm/rubocop,edmz/rubocop,zBMNForks/rubocop,crazydog115/rubocop,sinsoku/rubocop,MGerrior/rubocop,segiddins/rubocop,maxjacobson/rubocop,b-t-g/rubocop,petehamilton/rubocop,sferik/rubocop,fphilipe/rubocop,ilansh/rubocop,bankair/rubocop,b-t-g/rubocop,Likita/rubocop,fastly/rubocop,josiahsoh/rubocop,apiology/rubocop,palkan/rubocop,alexdowad/rubocop,namack/rubocop,Talentee/rubocop,Drenmi/rubocop,jfelchner/rubocop,bquorning/rubocop,janusnic/rubocop,vergenzt/rubocop,benlovell/rubocop,bbatsov/rubocop,brunoocasali/rubocop,meganemura/rubocop,zvkemp/rubocop,linchus/rubocop,stbenjam/rubocop,bankair/rubocop,irfanah/rubocop,bglusman/rubocop,hanumakanthvvn/rubocop,bbatsov/rubocop,brunoocasali/rubocop,haziqhafizuddin/rubocop,sideci-sample/sideci-sample-rubocop,panthomakos/rubocop,tejasbubane/rubocop,apiology/rubocop,bquorning/rubocop,dblock/rubocop,kdmsnr/rubocop,backus/rubocop,mclark/rubocop,vergenzt/rubocop,kdmsnr/rubocop,legendetm/rubocop,zhwcoder/rubocop,hkraji/rubocop,lucasuyezu/rubocop,zvkemp/rubocop,rrosenblum/rubocop,matugm/rubocop,mrfoto/rubocop,mrb/rubocop,MGerrior/rubocop,iGEL/rubocop,kjavier/rubocop,linchus/rubocop,meganemura/rubocop,tdeo/rubocop,rtlechow/rubocop,Koronen/rubocop,hamhut1066/rubocop,ypresto/rubocop,namack/rubocop,caseywebdev/rubocop,pocke/rubocop,vassilevsky/rubocop,rrosenblum/rubocop,petehamilton/rubocop,lucasuyezu/rubocop,plribeiro3000/rubocop,urbanautomaton/rubocop,tdeo/rubocop,deepj/rubocop,haziqhafizuddin/rubocop,rtlechow/rubocop,zhwcoder/rubocop,segiddins/rubocop,redbricksystems/rubocop,maxjacobson/rubocop,sue445/rubocop,iGEL/rubocop,tansaku/rubocop,sch1zo/rubocop,dmnd/rubocop,lencioni/rubocop,syndbg/rubocop,savef/rubocop,NobodysNightmare/rubocop,martinciu/rubocop,mclark/rubocop,backus/rubocop,redbricksystems/rubocop,jonas054/rubocop,fphilipe/rubocop,NobodysNightmare/rubocop,petehamilton/rubocop,brayzen/rubocop,caseywebdev/rubocop,tansaku/rubocop,crazydog115/rubocop,hkraji/rubocop,dennisfaust/rubocop,brayzen/rubocop,unmanbearpig/rubocop,bquorning/rubocop,ypresto/rubocop,lencioni/rubocop