chore(frontend): update rxjs to 5.4.1

Author: kucharzyk

shardis-frontend/package.json

@@ -38,7 +38,7 @@
     "ngrx-store-localstorage": "0.1.8",
     "ngx-webstorage": "1.8.0",
     "reselect": "3.0.1",
-    "rxjs": "5.4.0",
+    "rxjs": "5.4.1",
     "ts-helpers": "1.1.2",
     "web-animations-js": "2.2.5",
     "zone.js": "0.8.12"

shardis-frontend/yarn.lock

@@ -4938,9 +4938,9 @@ rx@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/rx/-/rx-4.1.0.tgz#a5f13ff79ef3b740fe30aa803fb09f98805d4782"
 
-[email protected].0, rxjs@^5.0.1:
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.4.0.tgz#a7db14ab157f9d7aac6a56e655e7a3860d39bf26"
+[email protected].1, rxjs@^5.0.1:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.4.1.tgz#b62f757f279445d265a18a58fb0a70dc90e91626"
   dependencies:
     symbol-observable "^1.0.1"