DUBBO-212 在有非daemon线程时服务注册失败容器没有退出，改为用System.exit(1)强制退出。

git-svn-id: http://code.alibabatech.com/svn/dubbo/trunk@957 1a56cb94-b969-4eaa-88fa-be21384802f2

dubbo-container/src/main/java/com/alibaba/dubbo/container/Main.java

@@ -80,7 +80,7 @@ public class Main {
         } catch (RuntimeException e) {
             e.printStackTrace();
             logger.error(e.getMessage(), e);
-            throw e;
+            System.exit(1);
         }
         synchronized (Main.class) {
             while (running) {