MFC r282122,r285339,r288340:
r282122 (by avg):
nvpair_type_is_array: DATA_TYPE_INT8_ARRAY was not recognized
To do: upstream (https://www.illumos.org/issues/5778)
r285339 (by oshogbo):
Rename zfs nvpair files to not colidate with our nvlist.
PR: 201356
Approved by: pjd (mentor)
r288340 (by avg):
define aok in libnvpair which is linked to all zfs libraries that need aok
This removes the circular dependency of libnvpair on libzfs / libzpool.
PR: 199811
Obtained from: bapt