Merge: fix #822 - Whitelist filter rules

Squashed commit of the following:

commit 350c6d5fadd77145b801df8887284bf4d64fbd19
Author: Ildar Kamalov <i.kamalov@adguard.com>
Date:   Wed Feb 26 15:43:29 2020 +0300

    * client: update translations

commit a884dffcd59f2259e2eee2c1e5a3270819bf8962
Author: Ildar Kamalov <i.kamalov@adguard.com>
Date:   Mon Feb 17 17:32:10 2020 +0300

    + client: handle whitelist filters

commit a586ec5bc614ffb0e01584a1fbdc7292b4865e68
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Wed Jan 29 18:16:59 2020 +0300

    + client: add whitelist

commit a52c3de62cf2fa34be6394771fb8bb56b4ee81e3
Author: Simon Zolin <s.zolin@adguard.com>
Date:   Thu Feb 20 17:50:44 2020 +0300

    * change /filtering/refresh

commit 7f8f2ecccb9f7fa65318c1717dc6a7bd61afccf4
Author: Simon Zolin <s.zolin@adguard.com>
Date:   Thu Feb 20 16:17:07 2020 +0300

    * fix race-detector issue

commit ac4b64c4a52c5b364a4b154bf18dea0fdf45647f
Author: Simon Zolin <s.zolin@adguard.com>
Date:   Mon Jan 20 20:08:21 2020 +0300

    + whitelist filters

openapi/openapi.yaml

@@ -572,7 +572,9 @@ paths:
                 If you ever find yourself using `force` to make something work that otherwise wont, this is a bug and report it accordingly.
             responses:
                 200:
-                    description: OK with how many filters were actually updated
+                    description: OK
+                    schema:
+                        $ref: "#/definitions/FilterRefreshResponse"
 
     /filtering/set_rules:
         post:
@@ -1230,6 +1232,13 @@ definitions:
                     type: "string"
                 description: "Set if reason=ReasonRewrite"
 
+    FilterRefreshResponse:
+        type: "object"
+        description: "/filtering/refresh response data"
+        properties:
+            updated:
+                type: "integer"
+
     GetVersionRequest:
         type: "object"
         description: "/version.json request data"