only insert the status panel if its not already there. Closes #1

ComicBook.js

@@ -130,7 +130,10 @@ function ComicBook(id, srcs, opts) {
 
 		var i = 0; // the current page counter for this method
 		
+		// show load status panel
+		if ($("#status").length === 0) {
 			$(canvas).after('<div class="control" id="status"><p></p></div>');
+		}
 		
 		// I am using recursion instead of a forEach loop so that the next image is
 		// only loaded when the previous one has completely finished