Fixed: project copy doesn't copy group memberships (#3975).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3250 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/members.yml

@@ -48,3 +48,15 @@ members_008:
   id: 8
   user_id: 1
   mail_notification: true
+members_009: 
+  id: 9
+  created_on: 2006-07-19 19:35:33 +02:00
+  project_id: 2
+  user_id: 11
+  mail_notification: false
+members_010: 
+  id: 10
+  created_on: 2006-07-19 19:35:33 +02:00
+  project_id: 2
+  user_id: 8
+  mail_notification: false