Bug 26053: Distinguish expired patron restrictions

Bug 26053: Distinguish expired patron restrictions

On the patron detail page, in restrictions table to show that the restriction has expired.
With text and a grey color line.
Uses 'text-muted' boostrap class (already used in OPAC).

Test plan :
1) Go to a patron details page cgi-bin/koha/members/moremember.pl
2) Create 2 restrictions in the future
3) Edit in database to se the first restriction into the past
4) Create a retriction without date
5) Check you see on expired line text : (expired)
6) Check line is grey

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>