Clean up creation of new integers

app/src/main/java/org/transdroid/daemon/Priority.java

@@ -55,7 +55,7 @@ public enum Priority {
     }
 
     public int comparePriorityTo(Priority another) {
-        return new Integer(this.getCode()).compareTo(new Integer(another.getCode()));
+        return Integer.compare(this.getCode(), another.getCode());
     }
 
 }

app/src/main/java/org/transdroid/daemon/TorrentStatus.java

@@ -53,7 +53,7 @@ public enum TorrentStatus {
     }
 
     public int compareStatusCodeTo(TorrentStatus another) {
-        return new Integer(this.getCode()).compareTo(new Integer(another.getCode()));
+        return Integer.compare(this.getCode(), another.getCode());
     }
 
 }

app/src/main/java/org/transdroid/daemon/adapters/vuze/VuzeXmlOverHttpClient.java

@@ -232,8 +232,8 @@ public class VuzeXmlOverHttpClient {
                 serializer.startTag(null, TAG_CONNECTION_ID).text(connectionID.toString()).endTag(null, TAG_CONNECTION_ID);
             }
             // set request id, which for this purpose is always a random number
-            Integer randomRequestID = new Integer(random.nextInt());
+            int randomRequestID = random.nextInt();
-            serializer.startTag(null, TAG_REQUEST_ID).text(randomRequestID.toString()).endTag(null, TAG_REQUEST_ID);
+            serializer.startTag(null, TAG_REQUEST_ID).text(Integer.toString(randomRequestID)).endTag(null, TAG_REQUEST_ID);
 
             serializer.endTag(null, TAG_REQUEST);
             serializer.endDocument();

app/src/main/java/org/transdroid/daemon/task/SetTransferRatesTask.java

@@ -36,11 +36,11 @@ public class SetTransferRatesTask extends DaemonTask {
 
     public Integer getUploadRate() {
         int uploadRate = extras.getInt("UPLOAD_RATE");
-        return (uploadRate == -1 ? null : new Integer(uploadRate));
+        return (uploadRate == -1 ? null : uploadRate);
     }
 
     public Integer getDownloadRate() {
         int downloadRate = extras.getInt("DOWNLOAD_RATE");
-        return (downloadRate == -1 ? null : new Integer(downloadRate));
+        return (downloadRate == -1 ? null : downloadRate);
     }
 }