Merge branch 'master' into languages

searx/engines/searchcode_code.py

     params['url'] = search_url.format(query=urlencode({'q': query}),
                                       pageno=params['pageno'] - 1)
 
-    # Disable SSL verification
-    # error: (60) SSL certificate problem: unable to get local issuer
-    # certificate
-    params['verify'] = False
-
     return params
 
 

searx/engines/searchcode_doc.py

     params['url'] = search_url.format(query=urlencode({'q': query}),
                                       pageno=params['pageno'] - 1)
 
-    # Disable SSL verification
-    # error: (60) SSL certificate problem: unable to get local issuer
-    # certificate
-    params['verify'] = False
-
     return params
 
 

searx/search.py

         if not load_default_categories:
             if not query_categories:
                 query_categories = list(set(engine['category']
-                                            for engine in engines))
+                                            for engine in query_engines))
         else:
             # if no category is specified for this search,
             # using user-defined default-configuration which