- Minor corrections to entitlement changes and upgrades

- started new eveai_entitlements component (not finished)

common/utils/eveai_exceptions.py

@@ -34,3 +34,10 @@ class EveAIUnsupportedFileType(EveAIException):
         super().__init__(message, status_code, payload)
 
 
+class EveAINoLicenseForTenant(EveAIException):
+    """Raised when no active license for a tenant is provided"""
+
+    def __init__(self, message="No license for tenant found", status_code=400, payload=None):
+        super().__init__(message, status_code, payload)
+
+