erp5_scalability_data: Update object ids, security permissions
erp5_scalability_data: Add script to clone 1000 scalability users
taskdistribution: add exception when isRunning failed
testnode: SlapOSMasterCommunicator: remove unused methods
testnode: SlapOSMasterCommunicator: rename methods
scalability: runScalabilityTestSuite: Add waiting for 0-pending activities
scalability: runScalabilityTestSuite: move time.sleep() position.

In order to temporize the main while loop.
scalability: runScalabilityTestSuite: fix typoé
testERP5testnode: apply new method names
erp5_scalability_data: remove duplicated portal types
erp5_scalability_data: change cloned user to 50 in clone_scalability_user
erp5_scalability_data: add script init