Updates validations examples to be more attuned on the new Rails 3.0 conventions
Updates validations examples to be more attuned on the new Rails 3.0 conventions

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