For tap UIs, register a list of parameters and some menu information.

The intent here is to centralize more UI information so that we can move
more tap UI stuff to common code.  This is a beginning.

Change-Id: Ic35ac0c01bc7b942aab88177db4065847a5e6c30
Reviewed-on: https://code.wireshark.org/review/5301
Reviewed-by: Guy Harris <guy@alum.mit.edu>