Resized the task edit complete box to match those in the task list

astrid/res/layout/control_set_title.xml

@@ -12,11 +12,11 @@
     <com.todoroo.astrid.ui.CheckableImageView
         android:id="@+id/completeBox"
         android:layout_width="45dip"
-        android:layout_height="fill_parent"
+        android:layout_height="wrap_content"
+        android:minHeight="30dip"
         android:layout_marginRight="5dip"
         android:layout_marginLeft="5dip"
-        android:gravity="center"
+        android:scaleType="center"
-        android:padding="8dip"
         android:src="@drawable/btn_check" />
 
     <com.todoroo.astrid.ui.ErrorCatchingEditText