Samuel Georges 98eb4f8239 Add support for "relation" with Tree models ... - This makes the list slightly more efficient for small collections, less efficient for larger collections. If this becomes a problem in future we may need to look at a solution that grabs all the root nodes to start, then lazy loads any expanded nodes as secondary AJAX requests. - Write tests for the Tree trait improvements Fixes #1647		2016-02-27 11:29:07 +11:00
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database	Add support for "relation" with Tree models	2016-02-27 11:29:07 +11:00