Added a --enable-escreen option for those who wish to try it out.
Also fixed the compile with Escreen and profiling are both enabled,
and disabled Escreen debugging.
SVN revision: 6203
Ran reformat-code on the tree.
Also merged in Azundris' Escreen patch. It's disabled by default for
the moment pending further testing, but you can enable it manually by
defining ESCREEN.
SVN revision: 6202