Clean up

app/templates/corpora/corpus_analysis.html.j2

@@ -118,7 +118,8 @@ function sendQueryData() {
   }
   console.log(query_data)
   socket.emit('query_event', query_data);
-  console.log('Query data has been sent!')
+  M.toast({html: 'Query has been sent'});
+  console.log('Query data has been sent!');
 }
 </script>