Add searx_extra package

Split the utils directory into:
* searx_extra contains update scripts, standalone_searx.py
* utils contains the files to build and setup searx.

searx_extra/google_search.py

@@ -0,0 +1,35 @@
+from sys import argv, exit
+
+if not len(argv) > 1:
+    print('search query required')
+    exit(1)
+
+import requests
+from json import dumps
+from searx.engines import google
+from searx.search import default_request_params
+
+request_params = default_request_params()
+# Possible params
+# request_params['headers']['User-Agent'] = ''
+# request_params['category'] = ''
+request_params['pageno'] = 1
+request_params['language'] = 'en_us'
+request_params['time_range'] = ''
+
+params = google.request(argv[1], request_params)
+
+request_args = dict(
+    headers=request_params['headers'],
+    cookies=request_params['cookies'],
+)
+
+if request_params['method'] == 'GET':
+    req = requests.get
+else:
+    req = requests.post
+    request_args['data'] = request_params['data']
+
+resp = req(request_params['url'], **request_args)
+resp.search_params = request_params
+print(dumps(google.response(resp)))