Remove a reference to instant-server which has been removed from the
ports tree in r313427.

PR:		177012
Submitted by:	Kevin Zheng <kevinz5000@gmail.com>
Approved by:	bcr (mentor)
Initialize the variable to avoid (false) compiler warning about
use of an uninitialized local.

Reported by:	Ivan Klymenko <fidaj@ukr.net>
MFC after:	2 weeks
Document NGM_NAT_LIBALIAS_INFO.

Submitted by:	Dmitry Luhtionov <dmitryluhtionov gmail.com>
Fix twa(4) after the r246713.  The driver copies data around to
satisfy some alignment restrictions.  Do not set TW_OSLI_REQ_FLAGS_CCB
flag for mapped data, pass the csio->data_ptr in the req->data.

Do not put the ccb pointer into req->data ever, ccb is stored in
req->orig_req already.

Submitted by:	Shuichi KITAGUCHI <ki@hh.iij4u.or.jp>
PR:	kern/177020