move whenever require to Capfile

Capfile

@@ -10,6 +10,7 @@ require 'capistrano/rails/assets'
 require 'capistrano/rails/migrations'
 #require 'capistrano/passenger'
 require 'capistrano/delayed-job'
+require 'whenever/capistrano'
 
 # Load custom tasks from `lib/capistrano/tasks` if you have any defined
 Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }