Required Changes

[chamathpali]

• open in tab, (restricted access control view if possible as in No 3)
• on the top left pane view k neighbours (BT.selected_tree of each neighbour)
• restricted access control: no new tree creation, no new node creation, can only see some node types on the bottom left pane etc.
• only able to edit neighbour 1
• when closed, get neighbour 1 tree and use as current cases BT.selected tree
• removing of evaluation node

No 3 is optional 1,2,4,5,6 is essential

[chamathpali]

@jareciog can you remove the right panel in the read only mode?