修复任务记录删除失败的问题

优化网络连接状态获取的逻辑
修复配置文件的某些配置失效的问题
新增m3u8切片状态注解`@M3U8.onPeerStart`，`@M3U8.onPeerComplete`，`@M3U8.onPeerFail`
新增动态指定m3u8协议视频的下载功能（边下边播）

AriaAnnotations/src/main/java/com/arialyy/annotations/M3U8.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by lyy on 2019/6/25.
+ * M3U8 切片事件
+ * <pre>
+ *   <code>
+ *      {@literal @}M3U8.onPeerStart
+ *       protected void onPeerStart(String m3u8Url, String peerPath, int peerIndex) {
+ *          ...
+ *       }
+ *   </code>
+ * </pre>
+ */
+@Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) public @interface M3U8 {
+
+  /**
+   * "@M3U8.onPeerStart"注解，切片开始下载
+   */
+  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onPeerStart {
+    String[] value() default { AriaConstance.NO_URL };
+  }
+
+  /**
+   * "@M3U8.onPeerFail注解，切片下载失败
+   */
+  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onPeerFail {
+    String[] value() default { AriaConstance.NO_URL };
+  }
+
+  /**
+   * "@M3U8.onPeersComplete"注解，切片下载完成
+   */
+  @Retention(RetentionPolicy.CLASS) @Target(ElementType.METHOD) @interface onPeerComplete {
+    String[] value() default { AriaConstance.NO_URL };
+  }
+}