idl: Add Windows event code ids

idl: Add Windows event code ids

Add idl definitions for Windows Event Code Ids, and Logon Types. This
intial commit adds:

Event Ids
	4264	Successful logon
	4625	Unsuccessful logon

Logon Types
	 2	Interactive
	 3	Network
	 4	Batch
	 5	Service
	 7	Unlock
	 8	NetworkCleartext
	 9	NewCredentials
	10	RemoteInteractive
	11	CachedInteractive

The intention is to add Windows Event Codes to the JSON log messages, to
provide a common event identifier in mixed Windows and Samba networks.
And to assist security personnel with a windows background.

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>