era_ja 0.5.1
Convert to Japanese era.
          Gemfile:
          =
        
        
          instalar:
          =
        
      Development Dependencies (6):
            guard-rspec
            ~> 4.5.0
          
          
            rake
            ~> 10.1.0
          
          
            rb-fsevent
            ~> 0.9.4
          
          
            rspec
            ~> 3.1.0
          
          
            terminal-notifier-guard
            ~> 1.6.4
          
          
            yard
            ~> 0.8.7