The Annotator library included all the dependencies it had at the moment
it was released, and so it was using jQuery 1.11.2 instead of the
version we use in the rest of the application.
Since including jQuery 1.11.2 raises a few warnings, we're removing it
so Annotator uses the same version of jQuery that is used in the rest of
the application.
We expected we needed to change some code in order to make it compatible
with jQuery 3.x. So far, everything seems to work fine, but we might
face errors in the future due to this change.
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