HardenedBSD-10-STABLE-v34.6

HBSD: move pax_segvguard_check to better place
HBSD: stability fix: pid_max -> maxproc
HBSD: use get_prison_td(...) instead of get_prison(...) in NOEXEC's sysctls
HBSD: change the default FS type from UFS1 to UFS2 on memstick installer on amd64
HBSD: fix prefixes in log messages
HBSD: fill in the COPYRIGHT_Vendor entry in sys/sys/copyright.h
HBSD: change early sysinit string
HBSD: add PAX_NOTE_FINALIZED flag to the allowed flags set
HBSD: remove unneeded headers from hbsd_pax_segvguard.c
HBSD: remove unneeded header from hbsd_pax_noexec.c
HBSD: remove unneeded headers from hbsd_pax_hardening.c
HBSD: remove unneeded headers from hbsd_pax_aslr.c
HBSD: remove unneeded headers from hbsd_pax_common.c