Add hadoop installation
Add hadoop installation

wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench,wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench,wangyangjun/StreamBench,wangyangjun/RealtimeStreamBenchmark,wangyangjun/RealtimeStreamBenchmark,wangyangjun/StreamBench