3.1 release notes - added AP and Railties sections
3.1 release notes - added AP and Railties sections

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