v8.0.0a20

[integration]

*docs

FIX: (#6041) Added (renewed) jobs and pilot State Machines drawings

*DataManagementSystem

NEW: (#6040) bitterly implement multihop
NEW: (#6015) BringOnline setting for FTS transfers can be SE dependant

*Resources

FIX: (#6039) HTCondorCE: make sure proxy is available when running condor_rm
NEW: (#6038) add CloudComputingElement

*WorkloadManagementSystem

CHANGE: (#6038) add hook for pilot cleanup

*RequestManagementSystem

FIX: (#6033) if the request ID is an integer the test is digit() throws an exception

*Core

FIX: (#6031) Allow rootPath to be overridden with DIRAC_ROOT_PATH environment variable

*FrameworkSystem

FIX: (#6007) ComponentSupervisionAgent: skip Tornado service

*DMS/WMS/Monitoring

FIX: (#6006) Fixed errors in Data Operation Monitoring and PilotsHistory from hackaton

*MonitoringSystem

CHANGE: (#6002) Replaced the flags for monitoring with a new unified flag system

*Monitoring/Core

CHANGE: (#5944) Divided ComponentMonitoring into AgentMonitoring and ServiceMonitoring