GH278 - started working on 2nd iteration
GH278 - added data structures and logic for command stack
Merge branch 'GH278-undo-redo-command-stack' of https://github.com/flower-platform/flower-platform-4.git into GH278-undo-redo-command-stack
GH278 - Added ContextThreadLocal and logic for command stack in RMIL,
NodeServiceRemote