edits in the release notes for 4.2
edits in the release notes for 4.2

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