unclecheese/silverstripe-dashboard — pull request #52 by nedmas (2014-01-13 11:15:45+00:00)
Title: BUGFIX: Define $tree_class property

Define the `$tree_class` property. This tells the framework that `Dashboard` manages `DashboardPanel` objects. This is used by the [Subsites](https://github.com/silverstripe/silverstripe-subsites) module to check permissions. So is required for compatibility.