(3.5 SP) Develop the Iterator functionality for synchronizing elements on a refresh.

• Develop a functionality for unloading specified Widgets of the Iterators:
  • From the dashboard (view mode).
  • From the gtlc and flickerfreescreen libraries.
• Register the Iterator to the dashboard refresh event.
• Generate AJAX requests to the Iterator controller on refresh events.
• Create a function inside the Iterator controller, for returning up-to-date Widgets for the Iterator.
• Reload the Widgets of the Iterators according to up-to-date information, if changed.

(0.75 SP) Develop the blocking functionality to allow refreshing Iterator's elements by gtlc and flickerfreescreen only after the Iterator has completed synchronizing.

• Update gtlc and flickerfreescreen libraries to allow blocking list functionality.
• Update the dashboard to use this blocking list functionality.