adding -XX:+UseG1GC to the java command line for splice startup for both standalone and ITs
adding -XX:+UseG1GC to the java command line for splice startup for both standalone and ITs

splicemachine/spliceengine,splicemachine/spliceengine,CompilerWorks/spliceengine,splicemachine/spliceengine,splicemachine/spliceengine,splicemachine/spliceengine,CompilerWorks/spliceengine,splicemachine/spliceengine,CompilerWorks/spliceengine,splicemachine/spliceengine,CompilerWorks/spliceengine,CompilerWorks/spliceengine,CompilerWorks/spliceengine