SMB3.1.1: add new tree connect ShareFlags

Also update these flag names in a few places to match the simpler
easier to understand names now used in the protocol documentation
(see MS-SMB2 section 2.2.10)

Acked-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>