Ported missing functionality from Rails 2.3.x, raise error on wrong regexps in :constraints in routes
Ported missing functionality from Rails 2.3.x, raise error on wrong regexps in :constraints in routes

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