Fixes $entry() wrappers for EventTarget and subtypes, Timers, and properties of
the form "Element.onclick". Adds tests to confirm that this makes the
UncaughtExceptionHandler fire properly.


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9380 8db76d5a-ed1c-0410-87a9-c151d255dfc7