Tez UI: Update All Tasks page while in progress.

Modify table component to automatically update cell based on in-progress data.
#. Upgrade polling logic to manage a specific entity.
#. Added progress column to All Tasks table.
#. Updated table to automatically reflect model change - Just need to set observePath to true in defaultColumnConfigs.
#. Updated table logic to send action on row change - so that polling logic can query for fresh records.