Allow usage of bundle local config for rack by specifying the branch
Allow usage of bundle local config for rack by specifying the branch

[ci skip]

MichaelSp/rails,matrinox/rails,yhirano55/rails,rails/rails,repinel/rails,88rabbit/newRails,gauravtiwari/rails,gcourtemanche/rails,mathieujobin/reduced-rails-for-travis,matrinox/rails,brchristian/rails,gavingmiller/rails,MichaelSp/rails,yasslab/railsguides.jp,baerjam/rails,palkan/rails,pschambacher/rails,ledestin/rails,MSP-Greg/rails,notapatch/rails,shioyama/rails,kaspth/rails,Sen-Zhang/rails,fabianoleittes/rails,lcreid/rails,odedniv/rails,kmcphillips/rails,eileencodes/rails,iainbeeston/rails,felipecvo/rails,bradleypriest/rails,Vasfed/rails,georgeclaghorn/rails,bogdanvlviv/rails,starknx/rails,alecspopa/rails,xlymian/rails,travisofthenorth/rails,alecspopa/rails,riseshia/railsguides.kr,vassilevsky/rails,printercu/rails,maicher/rails,illacceptanything/illacceptanything,EmmaB/rails-1,kamipo/rails,tijwelch/rails,lucasmazza/rails,tgxworld/rails,Erol/rails,esparta/rails,betesh/rails,starknx/rails,MichaelSp/rails,mtsmfm/railstest,ttanimichi/rails,bogdanvlviv/rails,aditya-kapoor/rails,georgeclaghorn/rails,vassilevsky/rails,BlakeWilliams/rails,Edouard-chin/rails,Stellenticket/rails,kenta-s/rails,kddeisz/rails,yawboakye/rails,repinel/rails,pschambacher/rails,amoody2108/TechForJustice,rossta/rails,Erol/rails,prathamesh-sonpatki/rails,gfvcastro/rails,gcourtemanche/rails,kddeisz/rails,odedniv/rails,georgeclaghorn/rails,printercu/rails,jeremy/rails,travisofthenorth/rails,yhirano55/rails,rafaelfranca/omg-rails,shioyama/rails,jeremy/rails,brchristian/rails,kddeisz/rails,tjschuck/rails,esparta/rails,Sen-Zhang/rails,Envek/rails,ttanimichi/rails,deraru/rails,utilum/rails,yahonda/rails,Stellenticket/rails,maicher/rails,aditya-kapoor/rails,rossta/rails,untidy-hair/rails,kirs/rails-1,illacceptanything/illacceptanything,ledestin/rails,prathamesh-sonpatki/rails,mijoharas/rails,arunagw/rails,pvalena/rails,samphilipd/rails,assain/rails,bogdanvlviv/rails,richseviora/rails,baerjam/rails,kirs/rails-1,elfassy/rails,yasslab/railsguides.jp,voray/rails,deraru/rails,gfvcastro/rails,voray/rails,yalab/rails,schuetzm/rails,jeremy/rails,ttanimichi/rails,starknx/rails,joonyou/rails,tjschuck/rails,ngpestelos/rails,yawboakye/rails,bolek/rails,mechanicles/rails,BlakeWilliams/rails,assain/rails,kachick/rails,rbhitchcock/rails,arjes/rails,schuetzm/rails,kddeisz/rails,fabianoleittes/rails,gavingmiller/rails,tgxworld/rails,tgxworld/rails,yawboakye/rails,tjschuck/rails,hanystudy/rails,felipecvo/rails,kachick/rails,prathamesh-sonpatki/rails,travisofthenorth/rails,fabianoleittes/rails,elfassy/rails,assain/rails,betesh/rails,aditya-kapoor/rails,mijoharas/rails,schuetzm/rails,koic/rails,mohitnatoo/rails,sealocal/rails,Stellenticket/rails,sergey-alekseev/rails,sergey-alekseev/rails,yahonda/rails,kaspth/rails,palkan/rails,yahonda/rails,Vasfed/rails,Edouard-chin/rails,mtsmfm/railstest,gcourtemanche/rails,riseshia/railsguides.kr,mtsmfm/rails,Vasfed/rails,ledestin/rails,matrinox/rails,felipecvo/rails,mathieujobin/reduced-rails-for-travis,utilum/rails,hanystudy/rails,baerjam/rails,mohitnatoo/rails,flanger001/rails,illacceptanything/illacceptanything,gavingmiller/rails,riseshia/railsguides.kr,notapatch/rails,illacceptanything/illacceptanything,kirs/rails-1,mechanicles/rails,hanystudy/rails,Spin42/rails,travisofthenorth/rails,mtsmfm/rails,bolek/rails,illacceptanything/illacceptanything,repinel/rails,xlymian/rails,kamipo/rails,fabianoleittes/rails,koic/rails,iainbeeston/rails,jeremy/rails,alecspopa/rails,vipulnsward/rails,88rabbit/newRails,yalab/rails,kmayer/rails,aditya-kapoor/rails,koic/rails,rafaelfranca/omg-rails,odedniv/rails,richseviora/rails,rbhitchcock/rails,arunagw/rails,tijwelch/rails,assain/rails,iainbeeston/rails,illacceptanything/illacceptanything,illacceptanything/illacceptanything,utilum/rails,pvalena/rails,Spin42/rails,Vasfed/rails,ngpestelos/rails,illacceptanything/illacceptanything,Stellenticket/rails,stefanmb/rails,MSP-Greg/rails,marklocklear/rails,joonyou/rails,georgeclaghorn/rails,mijoharas/rails,joonyou/rails,coreyward/rails,eileencodes/rails,gauravtiwari/rails,mechanicles/rails,lucasmazza/rails,printercu/rails,maicher/rails,kmcphillips/rails,richseviora/rails,kachick/rails,untidy-hair/rails,brchristian/rails,BlakeWilliams/rails,gfvcastro/rails,kmayer/rails,tijwelch/rails,shioyama/rails,untidy-hair/rails,lcreid/rails,amoody2108/TechForJustice,EmmaB/rails-1,rbhitchcock/rails,sealocal/rails,mathieujobin/reduced-rails-for-travis,rails/rails,utilum/rails,prathamesh-sonpatki/rails,notapatch/rails,gauravtiwari/rails,pschambacher/rails,Envek/rails,flanger001/rails,eileencodes/rails,illacceptanything/illacceptanything,betesh/rails,marklocklear/rails,lcreid/rails,illacceptanything/illacceptanything,arunagw/rails,Envek/rails,baerjam/rails,vassilevsky/rails,lcreid/rails,pvalena/rails,bolek/rails,vipulnsward/rails,vipulnsward/rails,notapatch/rails,arjes/rails,vipulnsward/rails,palkan/rails,yhirano55/rails,illacceptanything/illacceptanything,illacceptanything/illacceptanything,yawboakye/rails,schuetzm/rails,Erol/rails,kmcphillips/rails,elfassy/rails,kmayer/rails,coreyward/rails,rails/rails,mechanicles/rails,sealocal/rails,gfvcastro/rails,flanger001/rails,arunagw/rails,yasslab/railsguides.jp,kaspth/rails,bogdanvlviv/rails,deraru/rails,yhirano55/rails,kamipo/rails,esparta/rails,illacceptanything/illacceptanything,deraru/rails,eileencodes/rails,88rabbit/newRails,repinel/rails,riseshia/railsguides.kr,kenta-s/rails,bradleypriest/rails,samphilipd/rails,mohitnatoo/rails,illacceptanything/illacceptanything,mtsmfm/railstest,coreyward/rails,mohitnatoo/rails,palkan/rails,betesh/rails,Spin42/rails,tjschuck/rails,tgxworld/rails,ngpestelos/rails,samphilipd/rails,flanger001/rails,rafaelfranca/omg-rails,bradleypriest/rails,stefanmb/rails,Erol/rails,untidy-hair/rails,rossta/rails,EmmaB/rails-1,MSP-Greg/rails,Edouard-chin/rails,BlakeWilliams/rails,shioyama/rails,yahonda/rails,joonyou/rails,printercu/rails,Edouard-chin/rails,kenta-s/rails,illacceptanything/illacceptanything,sergey-alekseev/rails,voray/rails,rails/rails,amoody2108/TechForJustice,pvalena/rails,xlymian/rails,kmcphillips/rails,stefanmb/rails,arjes/rails,iainbeeston/rails,lucasmazza/rails,yasslab/railsguides.jp,yalab/rails,Envek/rails,MSP-Greg/rails,marklocklear/rails,yalab/rails,Sen-Zhang/rails,mtsmfm/rails,esparta/rails