v5.1.0a5

[integration]

FIX: (#721) remove DIRAC/Setup requirement
FIX: (#720) UPHandler use correct web method when listing public states
FIX: (#718) Treat lastSeconds as extraParams for Accounting/Monitoring plotting
FIX: (#717) WebSocketHandler sets the ThreadConfig before calling on_message
FIX: (#713) escape urls to avoid xss
FIX: (#711) TransformationManagerHandler: fix for TotalRecords
FIX: (#710) Running webapp without using nginx