Fixed error if latestSGV not filled (#4919)

* (bluefox) add npmignore

* Make it runnable as npm package

* (bluefox) use absolute path for static folder

* Allow start not only from cgm-remote-monitor

* (bluefox) add polling option to make it possible the communication without socket.io

* 0.12.3-2
Allow slow communication without socket.io

* (bluefox) fix errors

* (bluefox) fix clock with authentication

* (bluefox) fix clock

* fix time

* Formatting

* Fix clock if authentication is enabled
Add .npmignore file

* Add time to clock view back

* Formatting

* Fix authentication dialog
Take browser language for auth dialog

* Select browser language for authentication dialog
Make authentication dialog bigger to suit for other languages.

* Update hashauth.js

* Update hashauth.js

* Update hashauth.js

* Update hashauth.js

* (bluefox) fix chart if no latestSGV defined

* Select language from localStorage

And get suitable language for the very first auth dialog (before the settings were read from server or user can select language in the configuration)

* Fix language selection

* Charts were fixed if no latestSGV value found
HTML formatting for "TDD average" and so on

* Remove .npmignore

* Some code formatting. No relevant changes

* Show "-?-" in clock mode if no measured value found.

* Small CSS Formatting

views/index.html

@@ -54,9 +54,9 @@
     width: 100%;
     height: 90%;
     top: 30%;
-    left: 0%;
+    left: 0;
     font-size: 16px;
-}​
+}
 
 .spinner {
   margin: 100px auto 0;