Added the destroy class

The id parameter is being passed and annotations are deleted and return
a 204 http status code. The annotator-full.js has been rebuilt from upstream
after the bug https://github.com/okfn/annotator/issues/243 is fixed and now there
is no positioning error.

Change-Id: I13af0a1522e253d5e8e5f99d58aeaea74b2bc7e3
Merge "Added the destroy class"