[guides] Add rake task to show help and make it the default one
[guides] Add rake task to show help and make it the default one

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