Handle missing bower.json when checking licenses (#374)
Handle missing bower.json when checking licenses (#374)

Fixes #373
andymutton/beta,webcomponents/webcomponents.org,andymutton/v2,webcomponents/webcomponents.org,customelements/v2,andymutton/v2,andymutton/beta,customelements/v2,customelements/v2,customelements/v2,andymutton/v2,andymutton/v2,andymutton/beta,webcomponents/webcomponents.org,andymutton/beta