Config and signals refactor

Refactor signals and the config.

• Config has fewer lines, and should be less error-prone.
• Also, move timeouts from the instance to the main file, for a better separation in MVC.

main.js

@@ -343,14 +343,13 @@ ipcMain.on('set-settings', (event, arg) => {
     config.content.client.port = arg.clientport;
 
     /* prettier-ignore */
-    config.content.log.lektord = arg.loglektord;
-    config.content.log.level = arg.loglevel.ERROR
-        ? 'error'
-        : arg.loglevel.WARNING
-        ? 'warning'
-        : arg.loglevel.INFO
-        ? 'info'
-        : 'debug';
+    {
+        config.content.log.lektord = arg.loglektord;
+        config.content.log.level   = arg.loglevel.ERROR ?   'error'
+                                   : arg.loglevel.WARNING ? 'warning'
+                                   : arg.loglevel.INFO ?    'info'
+                                   :                        'debug';
+    }
 
     config.flush();
 });