Bug 27835: (follow-up) Update language, remove warn, add feedback

Bug 27835: (follow-up) Update language, remove warn, add feedback

This patch:
 - Updates lanugage to be clearer 'ChargeFinesOnClosedDays' vs 'ChargeFinesOnCloseDay'
 - Removes a stary warn
 - Add an 'updated' counter and provides feedback in fines.pl

Test plan:
 0 - Apply patches, updatedatabase
 1 - set finesCalendar to 'ignore', ChargeFinesOnClosedDays to "Don't charge"
 2 - Checkout an item due yesterday
 3 - Ensure circ rules have a fine amount and interval set
 4 - Make today a holiday
 5 - perl misc/cronjobs/fines.pl -v
 6 - 0 updated
 7 - ChargeFinesOnClosedDays to "Charge"
 8 - perl misc/cronjobs/fines.pl -v
 9 - 1 updated
10 - set fines calendar to 'use'
11 - perl misc/cronjobs/fines.pl -v
12 - 1 updated (NOTE: This is wrong maybe, but handle on another bug)
13 - set ChargeFinesOnClosedDays to "Don't charge"
14 - perl misc/cronjobs/fines.pl -v
12 - 0 updated

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit deb2f6317a10ec202b2c45dbab663d7a61a43de2)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>