I've rewritten almost the entire scrollbar. It mostly works, but it
still has issues. I've put an #error directive in so that it won't
compile; take it out if you *really* wanna try it. It's much more
efficient than before.
SVN revision: 1333
Shaved off around 100 KB of memory usage per Eterm by moving more
code into the shared library, removing lots of unneeded variables, and
fixing some small leaks here and there.
SVN revision: 710