[SmartPay] Add 'Roll No' in bank list export

Added the staff roll no column to the exported excel file
in the bank list.

Signed-off-by: Joseph W. Joshua <joejoshw@gmail.com>
[Queue Server]Move email recepients to db
Moves the recepient list for queued emails to the db.
This avoids recompilation whenever a change has to be
made.

Signed-off-by: Joseph W. Joshua <joejoshw@gmail.com>