Merge: - client: block/unblock client without requesting stats

Closes #896

Squashed commit of the following:

commit 66b781438aa668a16b19455c3e0dc5100417d869
Author: Ildar Kamalov <i.kamalov@adguard.com>
Date:   Mon Feb 3 12:59:25 2020 +0300

    - client: block/unblock client without requesting stats

commit e70f62738d549e32339bae3d5e996a912b99c21d
Author: Ildar Kamalov <i.kamalov@adguard.com>
Date:   Mon Feb 3 12:22:13 2020 +0300

    - client: get current access settings before set

commit 65c59d1d55f3255f33f917b61b6ab2c6c2e54271
Author: Ildar Kamalov <i.kamalov@adguard.com>
Date:   Mon Feb 3 12:21:12 2020 +0300

    * client: mode svg-url-loader to devDependencies

client/package-lock.json

@@ -821,6 +821,7 @@
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       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.3.tgz",
       "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
+      "dev": true,
       "requires": {
         "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -837,7 +838,8 @@
     "ajv-keywords": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
-      "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo="
+      "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=",
+      "dev": true
     },
     "align-text": {
       "version": "0.1.4",
@@ -2278,7 +2280,8 @@
     "big.js": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
-      "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q=="
+      "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q==",
+      "dev": true
     },
     "binary-extensions": {
       "version": "1.11.0",
@@ -4218,7 +4221,8 @@
     "emojis-list": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
-      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
+      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
+      "dev": true
     },
     "encodeurl": {
       "version": "1.0.2",
@@ -5231,7 +5235,8 @@
     "fast-deep-equal": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "dev": true
     },
     "fast-glob": {
       "version": "2.2.6",
@@ -5250,7 +5255,8 @@
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
-      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
+      "dev": true
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -7551,7 +7557,8 @@
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true
     },
     "json-stable-stringify-without-jsonify": {
       "version": "1.0.1",
@@ -7568,7 +7575,8 @@
     "json5": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
+      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
+      "dev": true
     },
     "jsx-ast-utils": {
       "version": "1.4.1",
@@ -7706,6 +7714,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.1.0.tgz",
       "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
+      "dev": true,
       "requires": {
         "big.js": "^3.1.3",
         "emojis-list": "^2.0.0",
@@ -10287,7 +10296,8 @@
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+      "dev": true
     },
     "q": {
       "version": "1.5.1",
@@ -11137,6 +11147,7 @@
       "version": "0.4.7",
       "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz",
       "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
+      "dev": true,
       "requires": {
         "ajv": "^6.1.0",
         "ajv-keywords": "^3.1.0"
@@ -12564,6 +12575,7 @@
       "version": "2.3.2",
       "resolved": "https://registry.npmjs.org/svg-url-loader/-/svg-url-loader-2.3.2.tgz",
       "integrity": "sha1-3YaybBn+O5FPBOoQ7zlZTq3gRGQ=",
+      "dev": true,
       "requires": {
         "file-loader": "1.1.11",
         "loader-utils": "1.1.0"
@@ -12573,6 +12585,7 @@
           "version": "1.1.11",
           "resolved": "https://registry.npmjs.org/file-loader/-/file-loader-1.1.11.tgz",
           "integrity": "sha512-TGR4HU7HUsGg6GCOPJnFk06RhWgEWFLAGWiT6rcD+GRC2keU3s9RGJ+b3Z6/U73jwwNb2gKLJ7YCrp+jvU4ALg==",
+          "dev": true,
           "requires": {
             "loader-utils": "^1.0.2",
             "schema-utils": "^0.4.5"
@@ -13044,6 +13057,7 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }