Fixed alignment of childless nodes
Fixed alignment of childless nodes

Alexey3/angular-tree-component,sm-allen/angular-tree-component,500tech/angular2-tree-component,sm-allen/angular-tree-component,sm-allen/angular-tree-component,500tech/angular2-tree-component,500tech/angular2-tree-component,Alexey3/angular-tree-component,Alexey3/angular-tree-component