Makes minimum password length configurable.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2678 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/settings.yml

@@ -31,6 +31,9 @@ self_registration:
   default: '2'
 lost_password:
   default: 1
+password_min_length:
+  format: int
+  default: 4
 attachment_max_size:
   format: int
   default: 5120