Update event-do.js

Fix the API docs for Y.Do.after, Y.Do.before, Y.Do.detach, and Y.Do._inject to show that event handles are instances of Y.EventHandle and not String.
[Loader, YUI]: Remove `onCSS` documentation.
[yui] Deprecate modules list page

All modules list has been posted on this page so far, but because
it is possible to see a list of equivalent even API Docs, the need
for us to provide this page is low now. Fix #619.
Merge remote-tracking branch 'solmsted/patch-2' into live-docs
[Event Custom]: Build.
[docs] Link to the API Docs instead of the old list of modules
Add @andrewnicols as a committer.