Tasks should be able to record a partial state of completion; we need to add such a field in the database.
|Resolved||olasd||T723 General improvements to the scheduler|
|Resolved||None||T533 Allow loaders to register partial state (meta task)|
|Resolved||olasd||T537 Update the task scheduler and the task event listener to use the new partial status|
|Resolved||None||T536 Enrich task return status to register partial completions|
|Resolved||olasd||T535 Register partial task state in scheduler database|