Integrate tools/regression/pipe in to the build/kyua as plain tests

Sponsored-by: EMC / Isilon Storage Division
Fix compilation, but don't integrate

Sponsored-by: EMC / Isilon Storage Division
Integrate tools/regression/file/ftruncate into the build/kyua

Sponsored-by: EMC / Isilon Storage Division
Integrate tools/regression/file/newfileops_on_fork into the build/kyua

Sponsored-by: EMC / Isilon Storage Division
Fix compilation warnings but don't integrate into the build/kyua

Sponsored-by: EMC / Isilon Storage Division
Skip instead of marking the test not ok

Sponsored-by: EMC / Isilon Storage Division
Merge branch 'isilon-atf' of https://github.com/yaneurabeya/freebsd into isilon-atf