Changes from code review: fixes the incorrect class for logging in

DispatchingContentDirectory, broadcasts search capabilities, and removes
an assignment that was not longer necessary.

Also added a couple of comments for clarity on the '- All Albums-' options.

libresonic-main/src/main/java/org/libresonic/player/service/upnp/ArtistUpnpProcessor.java

@@ -73,6 +73,8 @@ public class ArtistUpnpProcessor extends UpnpContentProcessor <Artist, Album> {
         List<MusicFolder> allFolders = getDispatcher().getSettingsService().getAllMusicFolders();
         List<Album> allAlbums = getAlbumProcessor().getAlbumDao().getAlbumsForArtist(artist.getName(), allFolders);
         if (allAlbums.size() > 1) {
+            // if the artist has more than one album, add in an option to
+            // view the tracks in all the albums together
             Album viewAll = new Album();
             viewAll.setName("- All Albums -");
             viewAll.setId(-1);

libresonic-main/src/main/java/org/libresonic/player/service/upnp/DispatchingContentDirectory.java

@@ -51,7 +51,7 @@ import java.util.Arrays;
  */
 public class DispatchingContentDirectory extends LibresonicContentDirectory {
 
-    public static final Logger LOG = LoggerFactory.getLogger(FolderBasedContentDirectory.class);
+    public static final Logger LOG = LoggerFactory.getLogger(DispatchingContentDirectory.class);
 
     public static final String CONTAINER_ID_ROOT = "0";
     public static final String CONTAINER_ID_PLAYLIST_PREFIX = "playlist";
@@ -118,7 +118,6 @@ public class DispatchingContentDirectory extends LibresonicContentDirectory {
                 // if it's null then assume it's a file, and that the id
                 // is all that's there.
                 itemId = browseRoot;
-                browseRoot = "folder";
                 processor = getMediaFileProcessor();
             }
 

libresonic-main/src/main/java/org/libresonic/player/service/upnp/LibresonicContentDirectory.java

@@ -19,6 +19,7 @@
  */
 package org.libresonic.player.service.upnp;
 
+import com.google.common.collect.Lists;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.fourthline.cling.support.contentdirectory.AbstractContentDirectoryService;
@@ -51,6 +52,10 @@ public abstract class LibresonicContentDirectory extends AbstractContentDirector
     private TranscodingService transcodingService;
     protected JWTSecurityService jwtSecurityService;
 
+    public LibresonicContentDirectory() {
+        super(Lists.newArrayList("*"), Lists.newArrayList());
+    }
+
     protected Res createResourceForSong(MediaFile song) {
         Player player = playerService.getGuestPlayer(null);
 

libresonic-main/src/main/java/org/libresonic/player/service/upnp/RecentAlbumUpnpProcessor.java

@@ -39,6 +39,8 @@ public class RecentAlbumUpnpProcessor extends AlbumUpnpProcessor {
         List<MusicFolder> allFolders = getDispatchingContentDirectory().getSettingsService().getAllMusicFolders();
         List<Album> recentAlbums = getAlbumDao().getNewestAlbums(0, RECENT_COUNT, allFolders);
         if (recentAlbums.size() > 1) {
+            // if there is more than one recent album, add in an option to
+            // view the tracks in all the recent albums together
             Album viewAll = new Album();
             viewAll.setName("- All Albums -");
             viewAll.setId(-1);