using modal dialog for adding objects

src/Products/SiteErrorLog/www/main.pt

@@ -32,7 +32,7 @@
 		</div>
 
 		<div class="form-group row">
-			<label for="id" class="form-label col-sm-5 col-md-4">Number of exceptions to keep</label>
+			<label for="id" class="form-label col-sm-5 col-md-4">Ignored exception types</label>
 			<div class=" col-sm-7 col-md-8">
 				<textarea name="ignored_exceptions:lines" class="form-control" rows="3"
 					tal:content="python: '\n'.join(props['ignored_exceptions'])"></textarea>