SONAR-4898 - Fixed Env definition for start.jar
SONAR-5410 - fixed sonar-search log dir
SONAR-4898 - updated wrapper.conf for start.jar
fix quality flaw (system.out)
SONAR-4898 - Using NetworkUtils for ES port selection
SONAR-4898 - Using NetworkUtils for ES port selection
SONAR-4898 - Added shutdown & interupt to shutdown hook
SONAR-4898 - Fixed free socket binding