Add Action View to Active Model API documentation
Add Action View to Active Model API documentation

In Rails 4.1, Action View was extracted from Action Pack, but this
change was not reflected in the API documentation of ActiveModel::Model.
This commits makes it explicit in the documentation that Active Model
also interacts with Action View as well as Action Pack.

[ci skip]

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