Add lime on text tutorial; fix bug in display part of highlight_text

Author: loostrum

dianna/visualization/text.py

@@ -27,7 +27,7 @@ def highlight_text(explanation,
             print(output, file=output_html_file)
 
     if show_plot:
-        display(HTML, output)
+        display(HTML(output))
 
 
 def _create_html(original_text, explanation, max_opacity):