Updated propel models
Add a comment about the proxy pattern
SAAS-527: Allow files to be uploaded to either the cloud or on local file storage

Not quite done.
Merge branch 'cc-5709-airtime-analyzer-cloud-storage' of github.com:sourcefabric/Airtime into cc-5709-airtime-analyzer-cloud-storage
SAAS-527: Allow files to be uploaded to either the cloud or on local file storage

Done.
Merge branch 'cc-5709-airtime-analyzer-cloud-storage' into cc-5709-airtime-analyzer-cloud-storage-saas
SAAS-526: Change prefix from station name to station id

Just seeing if we can get the hosting id from a function in the Billing Controller