MEnuBar reshuffled, should use DropDownButton instead, space saving.
JSON serialised and  displayed on screen, when toolbar clicked.
Rearranged attributes to have better JSON output.

TODO: publish to save JSON
TODO: Loading of JSON
TODO: Hook for editing of resource name in BRanch
TODO: Hook for deleting resource in a branch.
TODO: METHOD setting of expiry for TemplatedResouce
TODO: Representation for partial resource
TODO: Generate Grape code for a slice of program.
Fix closing of resource's tooltip bug.