eSpeakActivity: Register the receiver in onStart to avoid an IllegalArgumentEcception.

android/src/com/reecedunn/espeak/eSpeakActivity.java

         ((ListView)findViewById(R.id.properties)).setAdapter(mInformationView);
         mText = (EditText)findViewById(R.id.editText1);
 
-        final IntentFilter filter = new IntentFilter(TtsService.ESPEAK_INITIALIZED);
-        registerReceiver(mOnEspeakInitialized, filter);
-
         setState(State.LOADING);
         checkVoiceData();
 
         });
     }
 
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        final IntentFilter filter = new IntentFilter(TtsService.ESPEAK_INITIALIZED);
+        registerReceiver(mOnEspeakInitialized, filter);
+    }
+
     @Override
     public void onStop() {
         super.onStop();