- Pep8 and pylint fixes

- beginnings of new Matlab input type
- update progress after getting a response from xqueue

common/lib/capa/capa/templates/matlabinput.html

+<section id="textbox_${id}" class="textbox">
+  <textarea rows="${rows}" cols="${cols}" name="input_${id}" id="input_${id}"
+       % if hidden:
+      	    style="display:none;"
+       % endif
+  >${value|h}</textarea>
+
+  <div class="grader-status">
+    % if status == 'unsubmitted':
+      <span class="unanswered" style="display:inline-block;" id="status_${id}">Unanswered</span>
+    % elif status == 'correct':
+      <span class="correct" id="status_${id}">Correct</span>
+    % elif status == 'incorrect':
+      <span class="incorrect" id="status_${id}">Incorrect</span>
+    % elif status == 'queued':
+      <span class="processing" id="status_${id}">Queued</span>
+      <span style="display:none;" class="xqueue" id="${id}" >${queue_len}</span>
+    % endif
+
+    % if hidden:
+      <div style="display:none;" name="${hidden}" inputid="input_${id}" />
+    % endif
+
+    <p class="debug">${status}</p>
+  </div>
+
+  <span id="answer_${id}"></span>
+
+  <div class="external-grader-message">
+    ${msg|n}
+  </div>
+
+  <div class="plot-button">
+          <input type="button" name="plot-button" value="Plot" />
+  </div>
+
+  <script>
+    // Note: We need to make the area follow the CodeMirror for this to work.
+    $(function(){
+      var cm = CodeMirror.fromTextArea(document.getElementById("input_${id}"), {
+        % if linenumbers == 'true':
+        lineNumbers: true,
+        % endif
+        mode: "${mode}",
+        matchBrackets: true,
+        lineWrapping: true,
+        indentUnit: "${tabsize}",
+        tabSize: "${tabsize}",
+        indentWithTabs: false,
+        extraKeys: {
+            "Tab": function(cm) {
+                cm.replaceSelection("${' '*tabsize}", "end");
+            }
+        },
+        smartIndent: false
+      });
+      $("#textbox_${id}").find('.CodeMirror-scroll').height(${int(13.5*eval(rows))});
+    });
+  </script>
+</section>

common/lib/xmodule/xmodule/js/src/capa/display.coffee

@@ -70,6 +70,7 @@ class @Problem
           @bind()
       
       @num_queued_items = @new_queued_items.length
+      @updateProgress response
       if @num_queued_items == 0 
         delete window.queuePollerID
       else