Search is now handled by TrackListActivity and MarkerListActivity.

* data is loaded via cursor,
* removed custom ranking (handled in database),
* search text is wrapped with wildcards, and
* search view can be closed by back button.

Fixes #492.

src/main/java/de/dennisguse/opentracks/util/TrackUtils.java

@@ -19,7 +19,6 @@ package de.dennisguse.opentracks.util;
 import android.content.Context;
 
 import de.dennisguse.opentracks.content.data.Track;
-import de.dennisguse.opentracks.content.data.TracksColumns;
 import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
 
 /**
@@ -29,8 +28,6 @@ import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
  */
 public class TrackUtils {
 
-    public static final String TRACK_SORT_ORDER = TracksColumns.STARTTIME + " DESC";
-
     private TrackUtils() {
     }