Shutdown Tool-Server.

Pipelines usage:
Signatures:
stopTS(String toolName) : void
            
stopTS(String toolName, int timeout) : void
            
ETInstance.stopTS(String toolName) : void
            
ETInstance.stopTS(String toolName, int timeout) : void
            
Examples:
stopTS('ECU-TEST')
            
def instance = ET.installation('ECU-TEST')
stopTS installation: instance.installation
            
def instance = ET.newInstallation('ECU-TEST', 'C:\\Program Files\\ECU-TEST 8.0')
instance.stopTS()