update httpclient version to 4.3.3 #59

pom.xml

@@ -69,7 +69,7 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.3.1</version>
+                <version>4.3.3</version>
             </dependency>
             <dependency>
                 <groupId>com.google.guava</groupId>

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/PriorityScheduler.java

@@ -37,7 +37,6 @@ public class PriorityScheduler extends LocalDuplicatedRemovedScheduler {
         }
     });
 
-
     @Override
     public void pushWhenNoDuplicate(Request request, Task task) {
         if (request.getPriority() == 0) {