Optimize imports

Clover/app/src/main/java/org/floens/chan/chan/ChanUrls.java

@@ -17,8 +17,6 @@
  */
 package org.floens.chan.chan;
 
-import org.floens.chan.core.ChanPreferences;
-
 import java.util.Locale;
 
 public class ChanUrls {

Clover/app/src/main/java/org/floens/chan/core/model/Loadable.java

@@ -19,7 +19,6 @@ package org.floens.chan.core.model;
 
 import android.content.Context;
 import android.os.Bundle;
-import android.text.TextUtils;
 
 import com.j256.ormlite.field.DatabaseField;
 import com.j256.ormlite.table.DatabaseTable;
@@ -168,6 +167,7 @@ public class Loadable {
         copy.title = title;
         copy.listViewIndex = listViewIndex;
         copy.listViewTop = listViewTop;
+        copy.lastViewed = lastViewed;
 
         return copy;
     }

Clover/app/src/main/java/org/floens/chan/ui/activity/ImageViewActivity.java

@@ -21,7 +21,6 @@ import android.app.ActionBar;
 import android.app.Activity;
 import android.os.Bundle;
 import android.support.v4.view.ViewPager;
-import android.text.TextUtils;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.SubMenu;

Clover/app/src/main/java/org/floens/chan/ui/adapter/PostAdapter.java

@@ -39,7 +39,6 @@ import org.floens.chan.core.model.Loadable;
 import org.floens.chan.core.model.Post;
 import org.floens.chan.ui.ScrollerRunnable;
 import org.floens.chan.ui.view.PostView;
-import org.floens.chan.utils.Time;
 import org.floens.chan.utils.Utils;
 
 import java.util.ArrayList;

Clover/app/src/main/java/org/floens/chan/utils/IconCache.java

@@ -19,7 +19,6 @@ package org.floens.chan.utils;
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;