Don't create a journal when creating an issue with attachments.

git-svn-id: http://svn.redmine.org/redmine/trunk@13733 e93f8b46-1217-0410-a6f0-8f06a7374b81
Misc tests.

git-svn-id: http://svn.redmine.org/redmine/trunk@13734 e93f8b46-1217-0410-a6f0-8f06a7374b81