Moving source files to separate source trees.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Redundant classes.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
@cdk.set files - note qsar set is now redundant and picked up from META-INF/services

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>