Top Feeds: Create a parallel Sync and an alternative algorithm for the new implementation

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added StatusInProgress + 1 deleted label

assigned to @edgebal

changed milestone to %HILE Q4/2019

added Priority1 - High ProductNewsfeed TypeRefactor + 1 deleted label

changed weight to 2

changed time estimate to 4h

mentioned in merge request !407 (merged)

added StatusReview label and removed StatusInProgress label

added 5h of time spent at 2019-11-26

mentioned in commit 20890d28

closed via merge request !407 (merged)