Added the 'jQuery' asset for use by 'index.html'.
Added the 'jQuery' asset for use by 'index.html'.

The new index of artifacts uses jQuery and Javascript to manipulate the
DOM when deciding which artifacts to display. This commit adds a
downloaded version of jQuery so that we are not restricted to always
pulling it from its remote source when loading the index.

kensipe/dcos-cli,dcos/dcos-cli,kensipe/dcos-cli,kensipe/dcos-cli,dcos/dcos-cli,kensipe/dcos-cli,kensipe/dcos-cli,dcos/dcos-cli,dcos/dcos-cli,dcos/dcos-cli