Fixed loading aso status. it was giving execution error
Merge pull request #4477 from juztas/fix_json

Fixed loading aso status. it was giving execution error
crabcache: operators should be allowed to download users file
Wrong formatting of error message
Add minimal backward compatibility of parseASOState
Missing check if it has task_generator
Merge pull request #4478 from juztas/missing_check

Missing check if it has task_generator
Save aso url in diff column and Fixes #4389
Merge pull request #4479 from juztas/fix_aso_dupl

Save aso url in diff column and Fixes #4389
Use non-blocking schedd.xquery instead of blocking query
Improved error when collector is busy. Fixes #4467