[`ejs` removed support for filters in v2](https://github.com/mde/ejs/blob/master/CHANGELOG.md#v201-2015-01-02). Replace filters in `lib/ejs-filters.js` [with custom helpers](https://github.com/mde/ejs/issues/76) to be able to upgrade.
ejsremoved support for filters in v2. Replace filters inlib/ejs-filters.jswith custom helpers to be able to upgrade.