add combination of Ruby 2.4 + aj:integration to CI
add combination of Ruby 2.4 + aj:integration to CI

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