Make the test filename for presentations match the contrib.
* swank-repl.lisp: Import *globally-redirect-io* from swank.
Fix tests.

* Makefile (check-fancy): Make explicit target for slime-fancy.
Needed because there is no file for it in test/ otherwise.
* test/slime-presentations-tests.el (pretty-presentation-results):
Specify :right-margin because CCL uses a 70 not 75 as default.