Fix up small type-os.
Merge pull request #419 from sungeunchoi/man-page-edits

Fix up small type-os.
Merge pull request #420 from j-xiong/master

prov/psm: fix the return value of fi_av_insert
Updated nroff-generated man pages
usnic: Add EP_RDM message support to usnic

Signed-off-by: Reese Faucette <rfaucett@cisco.com>
Merge pull request #422 from rfaucett/pr/usnic_rdm

usnic: Add EP_RDM message support to usnic