Add myself as a developer
Add bapt@ and kwm@ as mentors

Approved by:	kwm@ (co-mentor)
fix args to mtx_init

Note that this commit hasn't been compile tested because these files
are not hooked up to the build...

PR:		186129
Submitted by:	Takanori Sawada
Approved by:	rpaulo
Merge bmake-20140101 from vendor
Add support for 'clac' and 'stac' to DDB's disassembler on amd64.
Remove extra parens to silence clang warning.
Merge from vendor branch importing dtc git rev 6a15eb2350426d285130e4c9d84c0bdb6575547a
Explicitly enable I/O and memory decoding in the bridge's command register
when activating an I/O or memory window on the CardBus bridge.

Tested by:	Olivier Cochard-Labbe <olivier@cochard.me>
Reviewed by:	imp
MFC after:	3 days
Remove support for legacy PCI devices.  These haven't been needed since
support for LPC uart devices was added and it conflicts with upcoming
patches to add PCI INTx support.

Reviewed by:	neel
Allow sigwait(2) in capabilities mode.

It's common for multi-threaded processes to create a thread for
the purpose of synchronously processing signals. Allow such processes to
utilize a capabilities sandbox.

Discussed with:	rwatson, pjd
MFC after:	2 weeks
[automated] Merge in upstream-github/master