Add project identifier substitution option to the URL-pattern property of link format custom fields (#15701)....
Add project identifier substitution option to the URL-pattern property of link format custom fields (#15701).
Patch by Mischa The Evil.
git-svn-id:
http://svn.redmine.org/redmine/trunk@12413 e93f8b46-1217-0410-a6f0-8f06a7374b81