tidy clean target;  we may want to split this into two clean targets to avoid removing the tags database.  but then again, you shouldnt need to run clean often...
tidy clean target;  we may want to split this into two clean targets to avoid removing the tags database.  but then again, you shouldnt need to run clean often...

git-svn-id: f2acecaac6fbd5a03f3d4799db58dda434111981@10952 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable