Add SetDefaultGMButtonWidthPacket
Add SetDefaultGMButtonWidthPacket

Aldo correct type of GameMasterInstructionsPacket

Signed-off-by: Dave Thaler <8a98d0850f57b73c42d096f8f8b11e2d5522d554@microsoft.com>

artemis-nerds/protocol-docs,artemis-nerds/protocol-docs