A few fixes:
A few fixes:

- register, registerd, and make_keypair don't compile (and are bogus anyway)
- don't forget to put back the obj directory when doing `kprog'
- while we're at it make the `kprog' commands overrideable from the command
  line
- add a bootstrap target which does the following:
	install includes
	cleandir and obj
	zap old version 4.0 shared libraries (these will screw the build)
	depend all install
	rebuild stuff in the main source tree which depends on kerberos

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