RADOS reliability model - GUI support for multi-site
	add new dialog widgets, fields for values,
	and test print-out of parameters.

Signed-off-by: markkampe <mark.kampe@inktank.com>
RADOS reliability model - add site reliability model
	add site failure/durability modeling
	(but not yet multi-site failure/recovery)

Signed-off-by: markkampe <mark.kampe@inktank.com>