Fix Flowr support and generic event framework

app/assets/javascripts/editor/editor.js.erb

@@ -31,6 +31,10 @@ var CodeOceanEditor = {
 
     <% self.class.include Rails.application.routes.url_helpers %>
     <% @config ||= CodeOcean::Config.new(:code_ocean).read(erb: false) %>
+    // Important notice: Changing the config values requires any content-wise
+    // modification for this file in the development environment. Lacking to do so
+    // will result in the old, server-side cached serving of this file even across
+    // server restarts!
     sendEvents: <%= @config['codeocean_events'] ? @config['codeocean_events']['enabled'] : false %>,
     eventURL: "<%= @config['codeocean_events'] ? events_path : '' %>",
     fileTypeURL: "<%= file_types_path %>",