Publish version 5.1.4 to npm

[sydturn]

Version 5.1.4 was never published to npm but has a lot of really great fixes. We should publish this package so that users can update to 5.1.4 and utilize these fixes.

[tohosaku]

@sydturn

I 've released the npm package for tributejs with refactoring after applying the pull request that is currently open. Feedback would be appreciated.

[alex-jitbit]

cdnjs also points to old version