- Fix build WITHOUT_ZFS/WITHOUT_CDDL after r265229, bin/ps needs libjail.

MFC after:	2 weeks
X-MFC-with:	r265229
Properly free resources in case of error.

CID:		1007032
Found with:	Coverity Prevent(tm)
MFC after:	2 weeks
Use our standard SYNOPSIS wording; perform some cleanup while here.
Generate hardware notes for mpr(4) and bump copyright for 2014.