Revert "Re-working @UiField and Widget replacement to use DOM walking rather then IDs." This reverts svn r7816, because its handling of tables isn't yet robust enough. It will be back. git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7858 8db76d5a-ed1c-0410-87a9-c151d255dfc7