2020-02-02 Fred Gleason <fredg@paravelsystems.com>

* Added a 'STATIONS.BROWSER_PATH' field to the database.
	* Incremented the database version to 314.
	* Added a 'Web Browser' control to the 'Edit Host' dialog in
	rdadmin(1).
	* Added a MusicBrainz record lookup button to the full disc ripper
	in rdlibrary(1).
	* Added a MusicBrainz record lookup button to the disc track ripper
	in rdlibrary(1).

lib/rdmblookup.cpp

@@ -40,6 +40,8 @@
 
 #include "rdmblookup.h"
 
+#include "../icons/musicbrainz-159x25.xpm"
+
 QString err_str="OK";
 RDDiscLookup::Result result_code=RDDiscLookup::ExactMatch;
 
@@ -57,6 +59,22 @@ QString RDMbLookup::sourceName() const
 }
 
 
+QPixmap RDMbLookup::sourceLogo() const
+{
+  return QPixmap(musicbrainz_159x25_xpm);
+}
+
+
+QString RDMbLookup::sourceUrl() const
+{
+  if(discRecord()->discReleaseMbId().isEmpty()) {
+    return QString();
+  }
+  return "https://"+rda->libraryConf()->mbServer()+"/release/"+
+    discRecord()->discReleaseMbId();
+}
+
+
 void RDMbLookup::lookupRecord()
 {
   MusicBrainz5::CQuery