Adding stances to the actors and the facility to change stance.
fixing bug where stance display was not updated on transition between map and toolbox.
updating readme to explain branch's function.
separating out server side code into modules to make it easier to organise. Also possibility for board specific implementation of data commit functions later.
fixing bug which caused click handler to be added to actors repeatedly as they transitioned to and from the toolbox.
Updating readme for new functionality.