DynamoDS/Dynamo — pull request #1753 by Zhengzi (2014-06-12 07:31:11+00:00)
Title: Migration2

Address: [MAGN-2586](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2586), saving that file in Sandbox doesn't corrupt the Revit nodes

[MAGN-3345](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-3345)