Merge remote-tracking branch 'origin/master'

# Conflicts:
#	pom.xml

mirai-core/pom.xml

@@ -69,6 +69,14 @@
             <artifactId>ini4j</artifactId>
             <scope>compile</scope>
         </dependency>
+
+        <dependency>
+            <groupId>commons-httpclient</groupId>
+            <artifactId>commons-httpclient</artifactId>
+            <version>3.1</version>
+            <scope>compile</scope>
+        </dependency>
+
     </dependencies>
 
     <build>

mirai-core/src/main/java/net/mamoe/mirai/utils/ImageNetworkUtils.java

 package net.mamoe.mirai.utils;
 
+import org.apache.commons.httpclient.util.HttpURLConnection;
 import org.jsoup.Connection;
 import org.jsoup.Jsoup;
 
 import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
 
 public class ImageNetworkUtils {
-    public static void postImage(String ukey, int fileSize, String g_uin,String groupCode, String img){
+    public static void postImage(String ukey, int fileSize, String g_uin,String groupCode, byte[] img){
         //http://htdata2.qq.com/cgi-bin/httpconn?htcmd=0x6ff0071&ver=5515&term=pc&ukey=” ＋ 删全部空 (ukey) ＋ “&filesize=” ＋ 到文本 (fileSize) ＋ “&range=0&uin=” ＋ g_uin ＋ “&groupcode=” ＋ Group
         StringBuilder builder = new StringBuilder("http://htdata2.qq.com/cgi-bin/httpconn?htcmd=0x6ff0071&ver=5515&term=pc");
         builder.append("&ukey=")
@@ -17,17 +20,14 @@ public class ImageNetworkUtils {
                 .append("&groupcode=").append(groupCode);
 
         try {
-        Connection.Response response = Jsoup.connect(builder.toString())
-                    .ignoreContentType(true)
-                    .requestBody(img)
-                    .followRedirects(true)
-                    .userAgent("QQClient")
-                    .header("Content-Length","" + fileSize)
-                    .execute();
+            HttpURLConnection conn = (HttpURLConnection) new URL(builder.toString()).openConnection();
+            conn.setRequestProperty("User-agent","QQClient");
+            conn.setRequestProperty("Content-length","" + fileSize);
+            conn.setRequestMethod("POST");
+            conn.getOutputStream().write(img);
 
-        System.out.println(response.statusCode());
-        System.out.println(response.statusMessage());
-        System.out.println(response.body());
+            conn.connect();
+            System.out.println(conn.getResponseCode());
 
         } catch (IOException e) {
             e.printStackTrace();