code: function(changelogOptions) {
          var self = this;
          return this._generateChangeLog(changelogOptions)
            .then(function(changelog) {
              return {
                deployMetaData: {
                  changelog: changelog,
                  summary: self.readConfig('summary'),
                  deployer: self.readConfig('deployer')
                }
              };
            });
        }
docs: private functions