Send prints to the browser console. Obvious in retrospect.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3840 ed5197a5-7fde-0310-b194-c3ffbd925b24

core/core.js

@@ -200,6 +200,9 @@ async function getProcessBlob(blobId, key, options) {
 					imports.app[api[0]] = process.app.makeFunction(api);
 				}
 			}
+			process.task.onPrint = function(args) {
+				process.app.send({action: 'print', args: args});
+			};
 			process.task.onError = function(error) {
 				try {
 					process.app.send({action: 'error', error: error});