Added Jakefile, tabs for JSON

Jakefile

@@ -0,0 +1,32 @@
+fs = require('fs');
+bcnjs2013 = require('./contents/2013');
+bcnjs2014 = require('./contents/2014');
+
+desc('Monthly talks');
+task('copy', [], function () {
+	console.info('Copying for next month');
+	var
+		found = false,
+		next_event = {};
+
+	bcnjs2014.forEach(function (event) {
+		var event_date = new Date(event.date);
+		if (event_date >= new Date() && !found) {
+			next_event = event;
+			found = true;
+		}
+	});
+
+	fs.writeFile('./contents/_index/events.json', next_event.talks, function (err) {
+		console.info('Done. Next event: ' + new Date(next_event.date).toDateString());
+		complete();
+	});
+
+}, true);
+
+task('clear', [], function () {
+	console.info('Cleaning for next month');
+	fs.writeFile('./contents/_index/events.json', '[{},{}]', function (err) {
+		complete();
+	});
+}, true);