General housekeeping such as adding package.json for Node server, bash script for launching a celery worker and updating the readme to assist with launching the DEMOS2 app. Updated some models to include UI helper functions. Main work done is around event preparation - with a Celery worker running and the Node server, trustees are now emailed a link to prepare events. The event detail page has also had a bit of an overhaul to include additional information and to make it easier to use

allauthdemo/templates/bases/bootstrap-jquery.html

@@ -150,7 +150,7 @@
   //new function
   demosEncrypt.generateKeys = function() {
     parameter = $("#event-param").val();
-    var tempParams = JSON.parse(parameter);
+    var tempParams = JSON.parse(JSON.parse(parameter).crypto);
     //the full objects need to be initalised as per the library, then copy the values we need into it
     //I follow Bingsheng's code as to what objects are used in the parameter object
     var ctx = new CTX("BN254CX"); //new context we can use