Move the Preference implementations to com.reecedunn.espeak.preference.

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

 import android.preference.PreferenceGroup;
 import android.preference.PreferenceManager;
 
+import com.reecedunn.espeak.preference.SeekBarPreference;
+import com.reecedunn.espeak.preference.SpeakPunctuationPreference;
+import com.reecedunn.espeak.preference.VoiceVariantPreference;
+
 public class TtsSettingsActivity extends PreferenceActivity {
     @Override
     @SuppressWarnings("deprecation")

android/src/com/reecedunn/espeak/SeekBarPreference.java → android/src/com/reecedunn/espeak/preference/SeekBarPreference.java

  * limitations under the License.
  */
 
-package com.reecedunn.espeak;
+package com.reecedunn.espeak.preference;
 
 import android.content.Context;
 import android.content.DialogInterface;
 import android.widget.SeekBar;
 import android.widget.TextView;
 
+import com.reecedunn.espeak.R;
+
 public class SeekBarPreference extends DialogPreference implements SeekBar.OnSeekBarChangeListener
 {
     private SeekBar mSeekBar;

android/src/com/reecedunn/espeak/SpeakPunctuationPreference.java → android/src/com/reecedunn/espeak/preference/SpeakPunctuationPreference.java

  * limitations under the License.
  */
 
-package com.reecedunn.espeak;
+package com.reecedunn.espeak.preference;
 
 import android.content.Context;
 import android.content.DialogInterface;
 import android.widget.SeekBar;
 import android.widget.TextView;
 
+import com.reecedunn.espeak.R;
+import com.reecedunn.espeak.SpeechSynthesis;
+import com.reecedunn.espeak.VoiceSettings;
+
 public class SpeakPunctuationPreference extends DialogPreference {
     private RadioButton mAll;
     private RadioButton mCustom;

android/src/com/reecedunn/espeak/VoiceVariantPreference.java → android/src/com/reecedunn/espeak/preference/VoiceVariantPreference.java

  * limitations under the License.
  */
 
-package com.reecedunn.espeak;
+package com.reecedunn.espeak.preference;
 
 import android.app.Activity;
 import android.content.Context;
 import android.widget.Spinner;
 import android.widget.TextView;
 
+import com.reecedunn.espeak.R;
+import com.reecedunn.espeak.ResourceIdListAdapter;
+import com.reecedunn.espeak.VoiceSettings;
+import com.reecedunn.espeak.VoiceVariant;
+
 import java.util.List;
 
 public class VoiceVariantPreference extends DialogPreference {