Merge branch 'pentool' into brushtool

Conflicts:
	imports/codemirror/mode/scheme/scheme.js
	js/tools/BrushTool.js

1 files changed, 2 insertions, 0 deletions

diff --git a/js/components/treeview/tree-node.js b/js/components/treeview/tree-node.js
index 689fc233..d7b864b5 100644
--- a/js/components/treeview/tree-node.js
+++ b/js/components/treeview/tree-node.js
@@ -44,7 +44,9 @@ exports.TreeNode = Montage.create(Component, {
             if(!object) {
                 return;
             }
+
             if(object[this.branchKey]) {
+                this.childNodes.length = 0;
                 object[this.branchKey].forEach(function(node) {
                     this.childNodes.push(node);
                 }, this);