add get user group list and destroy user function

common/src/main/java/cn/wildfirechat/pojos/OutputGroupIds.java

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the Wildfire Chat package.
+ * (c) Heavyrain2012 <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+package cn.wildfirechat.pojos;
+
+import java.util.List;
+
+public class OutputGroupIds {
+    private List<String> groupIds;
+
+    public List<String> getGroupIds() {
+        return groupIds;
+    }
+
+    public void setGroupIds(List<String> groupIds) {
+        this.groupIds = groupIds;
+    }
+}