Removed obsolete targets and sources.
Oops, forgot to remove <V> Future<V> execute(Executor, Runnable, V), which we don't need now that we have Future<?> execute(Executor, Runnable).
This form allows you to request diffs between any two revisions of this file. For each of the two "sides" of the diff, select a symbolic revision name using the selection box, or choose 'Use Text Field' and enter a numeric revision.