Update embedly-jquery to version 3.1.1

Update embedly-jquery to version 3.1.1. Library and code located and
downloaded from https://github.com/embedly/embedly-jquery. npm test
passes. File versions match package.json and cdnjs repository has been
tagged. Thanks
Merge pull request #1376 from moderation/master

Update embedly-jquery to version 3.1.1