Polymer 3

Merge pull request #18 from Brightspace/polymer-3-2019-01-02-112300

Polymer 3 Conversion

v2.0.0 Hybrid release

US94115 Hybridization (#8) [increment major]?

* Hybridization changes

* PR feedback

* Add regular ol' resolution for webcomponentsjs

* US94115 Add Sauce credentials

Also cleaned up .travis.yml a bit to match what we're doing elsewhere.

v1.1.3 base64js object URLs

use object urls instead of converting to base64 (#9)

v1.1.2

Handle larger images and potential string/byte issues

v1.1.1: Merge pull request #4 from Brightspace/rmahler/empty-imageUrl

Fixes a bug where a request was sent even if the image-url attribute was null/empty

v1.1.0

Use the image path if no token is provided (#2)

v1.0.0

Initial release of the d2l-image Polymer web component