Fix exception thrown when the analyzer doesn't return filesize with the metadata
airtime_analyzer status_reporter shutdown fix
Merge branch 'cc-5709-airtime-analyzer' of github.com:sourcefabric/Airtime into cc-5709-airtime-analyzer
Merge branch 'cc-5709-airtime-analyzer' into saas

Conflicts:
	python_apps/airtime_analyzer/airtime_analyzer/status_reporter.py