Refactor show_marker matrix initialization to helper function.
Clean up code. Add comments.
Refactor google maps initialization into helper function.
Add comments. Clean up code.
Move _updateStatus out of controller and into helper function.
Clean up old code.
Refactor current time info calculations into helper function.
Add comment. Clean up code.
Refactor calculate current status to helper function.
Add comments. Clean up code.
Refactor update marker code to helper function.
Clean up code and comments. Complete creation and one refactor of spot controller.