Fix a typo in the upgrade directions

MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division


git-svn-id: svn+ssh://svn.freebsd.org/base/head@272056 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Import pjdfstest from ^/vendor/pjdfstest/abf03c3a47745d4521b0e4aa141317553ca48f91

- Remove tools/regression/pjdfstest
- Add upgrade directions for contrib/pjdfstest
- Add a note to UPDATING for the move (the reachover Makefiles are coming
  soon)

Functional differences:
- ftruncate testcases are added from upstream (github)

Non-functional differences:
- The copyright for the project has been updated to 2012
- pjd's contact information has been updated

Discussed with: -testing, jmmv, pjd
MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division


git-svn-id: svn+ssh://svn.freebsd.org/base/head@272057 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f