code: function profileServiceFactory(
      Constants, 
      Promise, 
      _, 
      DbRenderable,
      Util ) 
  {
      Util.inherits(ProfileService, DbRenderable);
  
      /**
       * ProfileService is a singleton object which provides key/value store
       * access to profile files loaded from disk via FileLoader.
       * @constructor
       * @extends {FileLoader}
       */
      function ProfileService () {
          DbRenderable.call(this, {
              directory: Constants.Profiles.Directory,
              collectionName: 'profiles'
          });
      }
  
      ProfileService.prototype.get = function (name, raw, scope ) {
          return ProfileService.super_.prototype.get.call(this, name, scope)
              .then(function(profile) {
                  if (profile && raw) {
                      return profile.contents;
                  } else {
                      return profile;
                  }
              });
      };
  
      return new ProfileService();
  }
docs: profileServiceFactory provides the profile-service singleton object.
  @private
  @param  {FileLoader} FileLoader A FileLoader class for extension.
  @param  {configuration} configuration      An instance of the configuration configuration object.
  @return {ProfileService}            An instance of the ProfileService.