imagewatch.js
38bc4d5ec1c4hotfix-v2.3

imagewatch.js
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			var source = new EventSource('/imagewatch');

			source.addEventListener('image', function (event) {
			var filename = event.data;
			console.log(filename);

			var url = '/static/' + filename + '?' + new Date().getTime();
			$('#last_rendered_image').attr('src', url);
			}, false);