Added user option to hide instance-specific panel, rearranged config screen to

better categorize it / adjustments to language selector

src/components/instance_specific_panel/instance_specific_panel.js

@@ -2,6 +2,9 @@ const InstanceSpecificPanel = {
   computed: {
     instanceSpecificPanelContent () {
       return this.$store.state.instance.instanceSpecificPanelContent
+    },
+    show () {
+      return !this.$store.state.config.hideISP
     }
   }
 }