Improved some comments
CC-5950: Fix for issue where clear button in Recent Uploads didn't work
sometimes
Fixed 'clear' button not working when files failed to import
Merge branch 'cc-5709-airtime-analyzer' into saas
Slightly more robust fix for the last issue
Merge branch 'saas' of github.com:sourcefabric/Airtime into saas
Merge branch 'cc-5709-airtime-analyzer' into saas