Import pjdfstest from ^/vendor/pjdfstest/abf03c3a47745d4521b0e4aa141317553ca48f91
Remove tools/regression/pjdfstest
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
Sponsored by: EMC / Isilon Storage Division