Updated tests/asdf-test-operation.lisp to use the simplified interface provided with v0.9.1 of the lisp-unit library. Thank you Thomas Hermann.

Conflicts:
	lisp-executable.org
Changed runner.lisp to use the updated lisp-unit library.
Added dependency on lisp unit v0.9.1.
When using ASDF:MAKE-BUILD specify a NAME-SUFFIX.