read PDF/TXT without temporary files (#197)

cps/templates/readpdf.html

@@ -48,7 +48,7 @@ See https://github.com/adobe-type-tools/cmap-resources
 <!--<script src="pdf.js"></script>-->
 
 <script type="text/javascript">
-  var DEFAULT_URL = "{{ url_for('static', filename=pdffile) }}";
+  var DEFAULT_URL = "{{ url_for('serve_book', book_id=pdffile,book_format='pdf') }}";
   var PDFWORKER_LOCATION="{{ url_for('static', filename='js/libs/pdf.worker.js') }}";
   // var IMAGE_LOCATION="{{ url_for('static', filename='css/../images') }}";
   var IMAGE_LOCATION="{{ url_for('static', filename='/images/') }}";

cps/templates/readtxt.html

@@ -109,7 +109,7 @@
           $("#area").width($("#area").width());
           $("#content").width($("#content").width());
           //bind text
-          $("#content").load("{{ url_for('static', filename=txtfile) }}",function(textStr) {
+          $("#content").load("{{ url_for('serve_book', book_id=txtfile,book_format='txt') }}",function(textStr) {
            $(this).height($(this).parent().height()*0.95);
            $(this).text(textStr);
           });