add ctrl enter press to submit on modal

this adds the ability for a camper to press ctrl + enter to submit
a challenge while the challenge completion modal is open

client/commonFramework.js

@@ -420,6 +420,13 @@ var testSuccess = function() {
   isInitRun = false;
 };
 
+function ctrlEnterClickHandler(e) {
+  // ctrl + enter
+  if (e.ctrlKey && e.keyCode === 13) {
+    $('#submit-challenge').click();
+  }
+}
+
 function showCompletion() {
   if (isInitRun) {
     isInitRun = false;
@@ -435,8 +442,11 @@ function showCompletion() {
   );
   var bonfireSolution = myCodeMirror.getValue();
   var didCompleteWith = $('#completed-with').val() || null;
+
+
   $('#complete-courseware-dialog').modal('show');
   $('#complete-courseware-dialog .modal-header').click();
+
   $('#submit-challenge').click(function(e) {
     e.preventDefault();
 
@@ -766,6 +776,17 @@ $('#submitButton').on('click', function() {
 });
 
 $(document).ready(function() {
+
+  // init modal keybindings on open
+  $('#complete-courseware-dialog').on('shown.bs.modal', function() {
+    $('#complete-courseware-dialog').keyup(ctrlEnterClickHandler);
+  });
+
+  // remove modal keybinds on close
+  $('#complete-courseware-dialog').on('hidden.bs.modal', function() {
+    $('#complete-courseware-dialog').unbind('keyup', ctrlEnterClickHandler);
+  });
+
   var $preview = $('#preview');
   isInitRun = true;