Updated requirements for airtime_analyzer to make python-requests
support SNI properly
Disable those new requirements because pip requires gcc to install them
Fix exception thrown when the analyzer doesn't return filesize with the metadata
Merge branch 'cc-5709-airtime-analyzer' into cc-5709-airtime-analyzer-cloud-storage

Conflicts:
	python_apps/airtime_analyzer/setup.py
Merge branch 'cc-5709-airtime-analyzer-cloud-storage' of github.com:sourcefabric/Airtime into cc-5709-airtime-analyzer-cloud-storage

Conflicts:
	airtime_mvc/application/modules/rest/controllers/MediaController.php