Define package ASPIRING-SICL-CLOS.

In phase 1, this package merely supplies the names of the MOP classes
that are not supplied by the COMMON-LISP package.  The plan is to have
this package evolve into the SICL-CLOS package during bootstrapping.
Use new ASPRING-SICL-CLOS package.
Provide a definition of FUNCTIONP that always returns true.
Use new ASPRING-SICL-CLOS package.
Use same method as in Phases 1 and 2 of renaming the boot package.