Fix arity warning for template handlers
Fix arity warning for template handlers

Mainly to help with knowning which template is reponsible for the
warning.

handler.class # => Class

handler.to_s # => Coffee::Rails::TemplateHandler

Before:

Change:
  >> Class#call(template)
To:
  >> Class#call(template, source)

After:

Change:
  >> Coffee::Rails::TemplateHandler.call(template)
To:
  >> Coffee::Rails::TemplateHandler.call(template, source)

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