Init history on confLoaded
Start with undo and redo directives
Start to refactor history plugin
Add undo and redo buttons to navbar
Add keyCaptures to undo and redo
Enable and disable redo and undo directives
Remove message handling in StateChange
Start to push events to history
Update history html
Start with history element and list
Update collapsed navbar buttons
Fix some confusion with leftover files
Add some compile magic to historyEvent
Don't display hard to parse objects in historyEvent

Not easy to display them as string values. Maybe reconsider later.
Highlight current historyEvent
Call undo and redo functions in their directives
Reverse history list
Activate undo and redo
Better handling of event saving in history
Fix click area of histUndo and histRedo

Not enough to listen for click only on an icon - we need the whole
button.