1.0.2dev: When the //None// milestone is selected for tickets to be retargeted to on milestone close, the ticket milestones will be set to `null` rather than the empty string. Refs #5658.
1.0.2dev: When the //None// milestone is selected for tickets to be retargeted to on milestone close, the ticket milestones will be set to `null` rather than the empty string. Refs #5658.

This makes the behavior consistent with tickets retargeted as milestone are deleted. Refs #11018.


git-svn-id: 3aa280b99a9b480b02b1e2eda394e64594ad3297@12191 af82e41b-90c4-0310-8c96-b1721e28e2e2

jun66j5/trac-ja,jun66j5/trac-ja,jun66j5/trac-ja,jun66j5/trac-ja