CC-5781: Upgrade script for new storage quota implementation

First draft of an upgrade controller
Merge branch 'cc-5709-airtime-analyzer' of github.com:sourcefabric/Airtime into cc-5709-airtime-analyzer
CC-5781: Upgrade script for new storage quota implementation

Returns error if API key is incorrect
Set the upgrade controller to skip login authentication
CC-5781: Upgrade script for new storage quota implementation

cleaned up upgrade controller
Merge branch 'cc-5709-airtime-analyzer' into cc-5709-airtime-analyzer-saas