An experiment in requesting permissions and some related fixes.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3937 ed5197a5-7fde-0310-b194-c3ffbd925b24

core/app.js

@@ -141,6 +141,8 @@ function socket(request, response, client) {
 				if (process) {
 					core.enableStats(process, message.enabled);
 				}
+			} else if (message.action == 'permission') {
+				core.setPermission(process, message.id, message.granted);
 			} else {
 				if (process && process.eventHandlers['message']) {
 					await core.invoke(process.eventHandlers['message'], [message]);