Began rewriting epos2u. In principle it may already work, then again there are still some things in there I do not quite like.

git-svn-id: https://subversion.gsi.de/unigen/trunk@83 642d01a9-996b-0410-8509-9dd94d7a5935
Cosmetics.

git-svn-id: https://subversion.gsi.de/unigen/trunk@84 642d01a9-996b-0410-8509-9dd94d7a5935
Simplified the event loop a bit and added comments. This concludes
validation of therminator2u.

git-svn-id: https://subversion.gsi.de/unigen/trunk@85 642d01a9-996b-0410-8509-9dd94d7a5935