Added support to customize stabilizer home directory.
Added support to customize stabilizer home directory.

eminn/hazelcast-simulator,pveentjer/hazelcast-simulator,jerrinot/hazelcast-stabilizer,hasancelik/hazelcast-stabilizer,gAmUssA/hazelcast-simulator,gAmUssA/hazelcast-simulator,pveentjer/hazelcast-simulator,hazelcast/hazelcast-simulator,hasancelik/hazelcast-stabilizer,eminn/hazelcast-simulator,fengshao0907/hazelcast-simulator,Donnerbart/hazelcast-simulator,hazelcast/hazelcast-simulator,Danny-Hazelcast/hazelcast-stabilizer,Donnerbart/hazelcast-simulator,jerrinot/hazelcast-stabilizer,hazelcast/hazelcast-simulator,Danny-Hazelcast/hazelcast-stabilizer,fengshao0907/hazelcast-simulator