Merge pull request #115 from pointhi/engine_faroo

add faroo engine

searx/settings.yml

@@ -52,6 +52,12 @@ engines:
     engine : duckduckgo
     shortcut : ddg
 
+# api-key required: http://www.faroo.com/hp/api/api.html#key
+#  - name : faroo
+#    engine : faroo
+#    shortcut : fa
+#    api_key : 'apikey' # required!
+
 # down - website is under criminal investigation by the UK
 #  - name : filecrop
 #    engine : filecrop