WARNING: Tried to load angular more than once.

[lorenzodianni]

Solved removing require('angular')

module.exports = factory(require('angular'), require('pikaday'));

to

module.exports = factory(require('pikaday'));

apply changes for all UMD exports

---

and changing factory params

function (angular, Pikaday) { ... }

to

function (Pikaday) { ... }