修复更多的warning，尤其是导致打包warning的不规范或不必要的javadoc

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpMessage.java

@@ -28,7 +28,7 @@ public class WxCpMessage implements Serializable {
   private String hqMusicUrl;
   private String safe;
   private List<WxArticle> articles = new ArrayList<WxArticle>();
-  
+
   public String getToUser() {
     return toUser;
   }
@@ -63,7 +63,7 @@ public class WxCpMessage implements Serializable {
   public String getMsgType() {
     return msgType;
   }
-  
+
   public String getSafe() {
     return safe;
   }
@@ -135,18 +135,18 @@ public class WxCpMessage implements Serializable {
   public void setArticles(List<WxArticle> articles) {
     this.articles = articles;
   }
-  
+
   public String toJson() {
     return WxCpGsonBuilder.INSTANCE.create().toJson(this);
   }
-  
+
   public static class WxArticle {
-    
+
     private String title;
     private String description;
     private String url;
     private String picUrl;
-    
+
     public String getTitle() {
       return title;
     }
@@ -171,12 +171,11 @@ public class WxCpMessage implements Serializable {
     public void setPicUrl(String picUrl) {
       this.picUrl = picUrl;
     }
-    
+
   }
-  
+
   /**
    * 获得文本消息builder
-   * @return
    */
   public static TextBuilder TEXT() {
     return new TextBuilder();
@@ -184,7 +183,6 @@ public class WxCpMessage implements Serializable {
 
   /**
    * 获得图片消息builder
-   * @return
    */
   public static ImageBuilder IMAGE() {
     return new ImageBuilder();
@@ -192,23 +190,20 @@ public class WxCpMessage implements Serializable {
 
   /**
    * 获得语音消息builder
-   * @return
    */
   public static VoiceBuilder VOICE() {
     return new VoiceBuilder();
   }
-  
+
   /**
    * 获得视频消息builder
-   * @return
    */
   public static VideoBuilder VIDEO() {
     return new VideoBuilder();
   }
-  
+
   /**
    * 获得图文消息builder
-   * @return
    */
   public static NewsBuilder NEWS() {
     return new NewsBuilder();
@@ -216,10 +211,9 @@ public class WxCpMessage implements Serializable {
 
   /**
    * 获得文件消息builder
-   * @return
    */
   public static FileBuilder FILE() {
     return new FileBuilder();
   }
-  
+
 }

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlMessage.java

@@ -198,7 +198,6 @@ public class WxCpXmlMessage implements Serializable {
    * {@link me.chanjar.weixin.common.api.WxConsts#XML_MSG_EVENT}
    * </pre>
    *
-   * @return
    */
   public String getMsgType() {
     return msgType;
@@ -404,7 +403,6 @@ public class WxCpXmlMessage implements Serializable {
    * @param timestamp
    * @param nonce
    * @param msgSignature
-   * @return
    */
   public static WxCpXmlMessage fromEncryptedXml(
       String encryptedXml,
@@ -542,7 +540,6 @@ public class WxCpXmlMessage implements Serializable {
 
     /**
      * 扫描类型，一般是qrcode
-     * @return
      */
     public String getScanType() {
 
@@ -555,7 +552,6 @@ public class WxCpXmlMessage implements Serializable {
 
     /**
      * 扫描结果，即二维码对应的字符串信息
-     * @return
      */
     public String getScanResult() {
       return scanResult;

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutMessage.java

@@ -14,14 +14,14 @@ public abstract class WxCpXmlOutMessage {
   @XStreamAlias("ToUserName")
   @XStreamConverter(value=XStreamCDataConverter.class)
   protected String toUserName;
-  
+
   @XStreamAlias("FromUserName")
   @XStreamConverter(value=XStreamCDataConverter.class)
   protected String fromUserName;
-  
+
   @XStreamAlias("CreateTime")
   protected Long createTime;
-  
+
   @XStreamAlias("MsgType")
   @XStreamConverter(value=XStreamCDataConverter.class)
   protected String msgType;
@@ -57,14 +57,13 @@ public abstract class WxCpXmlOutMessage {
   public void setMsgType(String msgType) {
     this.msgType = msgType;
   }
-  
+
   protected String toXml() {
     return XStreamTransformer.toXml((Class)this.getClass(), this);
   }
 
   /**
    * 转换成加密的xml格式
-   * @return
    */
   public String toEncryptedXml(WxCpConfigStorage wxCpConfigStorage) {
     String plainXml = toXml();
@@ -74,7 +73,6 @@ public abstract class WxCpXmlOutMessage {
 
   /**
    * 获得文本消息builder
-   * @return
    */
   public static TextBuilder TEXT() {
     return new TextBuilder();
@@ -82,7 +80,6 @@ public abstract class WxCpXmlOutMessage {
 
   /**
    * 获得图片消息builder
-   * @return
    */
   public static ImageBuilder IMAGE() {
     return new ImageBuilder();
@@ -90,23 +87,20 @@ public abstract class WxCpXmlOutMessage {
 
   /**
    * 获得语音消息builder
-   * @return
    */
   public static VoiceBuilder VOICE() {
     return new VoiceBuilder();
   }
-  
+
   /**
    * 获得视频消息builder
-   * @return
    */
   public static VideoBuilder VIDEO() {
     return new VideoBuilder();
   }
-  
+
   /**
    * 获得图文消息builder
-   * @return
    */
   public static NewsBuilder NEWS() {
     return new NewsBuilder();