revised titles of the command line guide, and added changelog
revised titles of the command line guide, and added changelog

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