better synchronize threads; each of them after sending the first request for sessionID, it waits to be notified; notifications are issued by the main thread when all threads reached that state;
modifiy pom files to create a complete jar with dependecies; needed to transfer the .jar to remote server and clients and to be able to run it there
add testing_tool/target as ignore folder also
add testing tool first uncompleted version; it can parse a config input file, create clients and server, check their connectivity and status, copy the jar files, run them; a bit more work should be done on synchronizing clients, checking if remote processes are still running and gathering the results;