Update koha build - upstream 16.11.02
Update koha build - upstream 16.11.02

https://koha-community.org/koha-16-11-02-released/
highlights:
 - [17246] GetPreparedLetter should not allow multiple FK defined in arrayref
 - [17234] ALTER IGNORE TABLE is invalid in mysql 5.7. This breaks updatedatabase.pl
 - [14637] Add patron category fails with MySQL 5.6.26
 - [17781] Improper branchcode set during renewal
 - [17766] Patron notification does not work with multi item holds

digibib/ls.ext,digibib/ls.ext,digibib/ls.ext,digibib/ls.ext