Log Message:
Update netpgpverify and libnetpgpverify to 20160704

+ get rid of redundant PGPV_ARRAY definition in libverify.c, brought in when
the definitions moved from verify.h

+ fix obuf_add_mem() to use a const void *, as any struct can be
dumped using it

+ remove redundant NO_SUBKEYS definition - unused

+ add an (unused as yet) ARRAY_FREE() macro