testnode: SlapOSMasterCommunicator: Add class doc description
testnode: ScalabilityTestRunner: Fix import SlapOSMasterCommunicator path
testnode: SlapOSMasterCommunicator: Fix typo into documentation
testnode: SlapOSMasterCommunicator: Remove testing default values at __init__
testnode: SlapOSMasterCommunicator: add logs
testnode: ScalabilityTestRunner: Fix key and cert path