[fix] fix kickass engine

thanks @Cqoicebordel in #144:
https://github.com/asciimoo/searx/pull/144#issuecomment-67036903

searx/engines/kickass.py

@@ -33,6 +33,9 @@ def request(query, params):
     params['url'] = search_url.format(search_term=quote(query),
                                       pageno=params['pageno'])
 
+    # FIX: SSLError: hostname 'kickass.so' doesn't match either of '*.kickass.to', 'kickass.to'
+    params['verify'] = False
+
     return params