fix a bug where disabled browsing was shown as browsable. Log the response code if it's not 200

core/src/main/groovy/com/muwire/core/search/BrowseManager.groovy

@@ -40,7 +40,7 @@ class BrowseManager {
                 InputStream is = endpoint.getInputStream()
                 String code = DataUtil.readTillRN(is)
                 if (!code.startsWith("200"))
-                    throw new IOException("Invalid code")
+                    throw new IOException("Invalid code $code")
                     
                 // parse all headers
                 Map<String,String> headers = new HashMap<>()

core/src/main/groovy/com/muwire/core/search/ResultsParser.groovy

@@ -97,7 +97,7 @@ class ResultsParser {
                 
             boolean browse = false
             if (json.browse != null)
-                browse = true
+                browse = json.browse
 
             return new UIResultEvent( sender : p,
                 name : name,