Fix npm vulnerabilities

client/package-lock.json

@@ -6671,11 +6671,6 @@
         "yallist": "^2.1.2"
       }
     },
-    "macaddress": {
-      "version": "0.2.8",
-      "resolved": "https://registry.npmjs.org/macaddress/-/macaddress-0.2.8.tgz",
-      "integrity": "sha1-WQTcU3w57G2+/q6QIycTX6hRHxI="
-    },
     "make-dir": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz",
@@ -7869,12 +7864,11 @@
       }
     },
     "postcss-filter-plugins": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-filter-plugins/-/postcss-filter-plugins-2.0.2.tgz",
-      "integrity": "sha1-bYWGJTTXNaxCDkqFgG4fXUKG2Ew=",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/postcss-filter-plugins/-/postcss-filter-plugins-2.0.3.tgz",
+      "integrity": "sha512-T53GVFsdinJhgwm7rg1BzbeBRomOg9y5MBVhGcsV0CxurUdVj1UlPdKtn7aqYA/c/QVkzKMjq2bSV5dKG5+AwQ==",
       "requires": {
-        "postcss": "^5.0.4",
-        "uniqid": "^4.0.0"
+        "postcss": "^5.0.4"
       },
       "dependencies": {
         "has-flag": {
@@ -10661,14 +10655,6 @@
       "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
       "integrity": "sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8="
     },
-    "uniqid": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/uniqid/-/uniqid-4.1.1.tgz",
-      "integrity": "sha1-iSIN32t1GuUrX3JISGNShZa7hME=",
-      "requires": {
-        "macaddress": "^0.2.8"
-      }
-    },
     "uniqs": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/uniqs/-/uniqs-2.0.0.tgz",