Don't specify filetype when requiring

src/beautify.coffee

@@ -1,6 +1,6 @@
 # global atom
 "use strict"
-pkg = require('../package.json')
+pkg = require('../package')
 
 # Dependencies
 plugin = module.exports
@@ -604,7 +604,7 @@ plugin.migrateSettings = ->
     )
     atom.notifications.addSuccess("Successfully migrated options: #{unsupportedOptions.join(', ')}")
 
-plugin.config = _.merge(require('./config.coffee'), defaultLanguageOptions)
+plugin.config = _.merge(require('./config'), defaultLanguageOptions)
 plugin.activate = ->
   @subscriptions = new CompositeDisposable
   @subscriptions.add handleSaveEvent()