Convert remaining Threads to I2PThread or I2PAppThread

core/java/src/net/i2p/util/I2PAppThread.java

@@ -38,9 +38,17 @@ public class I2PAppThread extends I2PThread {
     public I2PAppThread(Runnable r, String name) {
         super(r, name);
     }
+
     public I2PAppThread(Runnable r, String name, boolean isDaemon) {
         super(r, name, isDaemon);
     }
+
+    /**
+     *  @since 0.9.23
+     */
+    public I2PAppThread(ThreadGroup group, Runnable r, String name) {
+        super(group, r, name);
+    }
     
     @Override
     protected void fireOOM(OutOfMemoryError oom) {

core/java/src/net/i2p/util/I2PThread.java

@@ -73,6 +73,14 @@ public class I2PThread extends Thread {
         //    _createdBy = new Exception("Created by");
     }
 
+    /**
+     *  @since 0.9.23
+     */
+    public I2PThread(ThreadGroup group, Runnable r, String name) {
+        super(group, r, name);
+        setPriority(NORM_PRIORITY);
+    }
+
 /****
     private void log(int level, String msg) { log(level, msg, null); }