htmlize yacy contents

searx/engines/yacy.py

 from urllib import urlencode
 from dateutil import parser
 
+from searx.utils import html_to_text
+
 # engine dependent config
 categories = ['general', 'images']  # TODO , 'music', 'videos', 'files'
 paging = True
             # append result
             results.append({'url': result['link'],
                             'title': result['title'],
-                            'content': result['description'],
+                            'content': html_to_text(result['description']),
                             'publishedDate': publishedDate})
 
         # TODO parse video, audio and file results