Fixed test failure with SQLServer introduced by r13461.

git-svn-id: http://svn.redmine.org/redmine/trunk@13467 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed test failure with MySQL introduced by r13467.

git-svn-id: http://svn.redmine.org/redmine/trunk@13468 e93f8b46-1217-0410-a6f0-8f06a7374b81
Updates for 2.6.0 release.

git-svn-id: http://svn.redmine.org/redmine/trunk@13471 e93f8b46-1217-0410-a6f0-8f06a7374b81
Adds a Cancel button on issue edit view (#18051).

Patch by Marcin Świątkiewicz.

git-svn-id: http://svn.redmine.org/redmine/trunk@13477 e93f8b46-1217-0410-a6f0-8f06a7374b81