code: function replace_d(cb) {
      gulp.src('./dist/adal.service.d.ts')
          .pipe(replace('../adal-angular.d.ts', './adal-angular.d.ts'))
          .pipe(gulp.dest('./dist/'));
      console.log('adal.service.d.ts Path Updated');
      cb();
  }
docs: 5.  rewrite type definition file path for adal-angular in adal.service.d.ts