[javalib] fixed throws signature reading


git-svn-id: http://ocamllibs.googlecode.com/svn/trunk@286 21970f9d-2756-cbab-44b1-85fcaa48d7c2
[javalib] Delete jData.mli


git-svn-id: http://ocamllibs.googlecode.com/svn/trunk@287 21970f9d-2756-cbab-44b1-85fcaa48d7c2