Code review comment for lp:~abreu-alexandre/unity-js-scopes/doc

Sorry if I'm being captain obvious here, but the build is failing with:

Found 7 license problems:
doc/docbuild/assets/js/yui-prettify.js UNKNOWN {
doc/docbuild/assets/js/api-list.js UNKNOWN *No copyright*
doc/docbuild/assets/js/apidocs.js UNKNOWN *No copyright*
doc/docbuild/assets/js/api-search.js UNKNOWN *No copyright*
doc/docbuild/assets/js/api-filter.js UNKNOWN *No copyright*
doc/docbuild/assets/vendor/prettify/prettify-min.js UNKNOWN *No copyright*
doc/docbuild/api.js UNKNOWN *No copyright*