CEC-180 Cache Control (#30)

* Set cache expire to 1 day
Add snapshot tests for new screens

* Fix table pagniation random ids for snapshot tests

* Auto reload on chunk load error

* OTA Admin Portal => Admin Portal

nginx.conf

@@ -3,6 +3,8 @@ server {
     root  /usr/share/nginx/html;
     include /etc/nginx/mime.types;
 
+    expires 1d;
+
     location / {
         try_files $uri /index.html;
     }