Privatize constants
Privatize constants

This constants meant to be private but `private_constant` was missing,
this commit makes them fully private by adding  `private_constant`.

Erol/rails,georgeclaghorn/rails,Erol/rails,yhirano55/rails,tgxworld/rails,yalab/rails,BlakeWilliams/rails,joonyou/rails,palkan/rails,Edouard-chin/rails,mechanicles/rails,Vasfed/rails,schuetzm/rails,bogdanvlviv/rails,kmcphillips/rails,schuetzm/rails,tgxworld/rails,tjschuck/rails,betesh/rails,starknx/rails,kmcphillips/rails,notapatch/rails,bogdanvlviv/rails,starknx/rails,yhirano55/rails,MSP-Greg/rails,fabianoleittes/rails,tjschuck/rails,fabianoleittes/rails,yahonda/rails,jeremy/rails,BlakeWilliams/rails,yawboakye/rails,vipulnsward/rails,rails/rails,betesh/rails,yalab/rails,eileencodes/rails,rails/rails,flanger001/rails,repinel/rails,lcreid/rails,tjschuck/rails,joonyou/rails,MSP-Greg/rails,Envek/rails,Envek/rails,BlakeWilliams/rails,notapatch/rails,notapatch/rails,repinel/rails,bogdanvlviv/rails,notapatch/rails,kddeisz/rails,Vasfed/rails,shioyama/rails,jeremy/rails,palkan/rails,prathamesh-sonpatki/rails,starknx/rails,Stellenticket/rails,schuetzm/rails,mechanicles/rails,lcreid/rails,kddeisz/rails,eileencodes/rails,jeremy/rails,utilum/rails,palkan/rails,kddeisz/rails,georgeclaghorn/rails,yahonda/rails,gauravtiwari/rails,EmmaB/rails-1,betesh/rails,arunagw/rails,MSP-Greg/rails,yahonda/rails,Stellenticket/rails,utilum/rails,mechanicles/rails,fabianoleittes/rails,yalab/rails,esparta/rails,betesh/rails,rafaelfranca/omg-rails,flanger001/rails,arunagw/rails,utilum/rails,utilum/rails,EmmaB/rails-1,vipulnsward/rails,eileencodes/rails,prathamesh-sonpatki/rails,bogdanvlviv/rails,mechanicles/rails,fabianoleittes/rails,rafaelfranca/omg-rails,shioyama/rails,Erol/rails,repinel/rails,georgeclaghorn/rails,MSP-Greg/rails,BlakeWilliams/rails,esparta/rails,georgeclaghorn/rails,Edouard-chin/rails,rails/rails,repinel/rails,lcreid/rails,Vasfed/rails,Vasfed/rails,kmcphillips/rails,joonyou/rails,vipulnsward/rails,arunagw/rails,kmcphillips/rails,yawboakye/rails,kddeisz/rails,yawboakye/rails,esparta/rails,esparta/rails,shioyama/rails,flanger001/rails,prathamesh-sonpatki/rails,flanger001/rails,iainbeeston/rails,Stellenticket/rails,gauravtiwari/rails,Erol/rails,arunagw/rails,palkan/rails,gauravtiwari/rails,iainbeeston/rails,yhirano55/rails,rails/rails,iainbeeston/rails,Envek/rails,EmmaB/rails-1,joonyou/rails,yahonda/rails,lcreid/rails,yalab/rails,Edouard-chin/rails,vipulnsward/rails,Envek/rails,schuetzm/rails,eileencodes/rails,tgxworld/rails,yawboakye/rails,shioyama/rails,Stellenticket/rails,iainbeeston/rails,jeremy/rails,Edouard-chin/rails,tgxworld/rails,prathamesh-sonpatki/rails,tjschuck/rails,yhirano55/rails,rafaelfranca/omg-rails