Ignore non-working days when rescheduling an issue (#2161).

Weekly non-working days can be configured in application settings (set to saturday and sunday by default).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10747 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/settings.yml

@@ -220,3 +220,8 @@ thumbnails_enabled:
 thumbnails_size:
   format: int
   default: 100
+non_working_week_days:
+  serialized: true
+  default:
+  - 6
+  - 7