Update Travis CI configuration
Update Travis CI configuration

lbulej/java-ubench-agent,D-iii-S/java-ubench-agent,D-iii-S/java-ubench-agent,lbulej/java-ubench-agent,lbulej/java-ubench-agent,D-iii-S/java-ubench-agent,D-iii-S/java-ubench-agent,lbulej/java-ubench-agent,D-iii-S/java-ubench-agent