Revert "(Emscripten) Print logs to the browser console"

Doesn't work on firefox or edge

This reverts commit ddccaeed8c.

pkg/emscripten/proto.html

@@ -129,6 +129,16 @@
             </div>
          </div>
       </div>
+      <div class="row">
+         <div class="col-sm-12 form-group btn-group text-xs-center p-t-2">
+            <div class="card">
+                <div class="view overlay hm-white-slight" align="center">
+                     <textarea id="output" rows="15"></textarea>
+                </div>
+            </div>
+
+         </div>
+      </div>
    </div>
    <div align="center">
       <p>For now, we recommend you use <a href="https://www.google.com/chrome/">Google Chrome</a> for the best possible performance.</p>

pkg/emscripten/proto.js

@@ -239,9 +239,25 @@ var Module =
   arguments: ["-v", "--menu"],
   preRun: [],
   postRun: [],
-  // Print both stdout and stderr to the browser console.
+  print: (function() 
-  print: console.log,
+  {
-  printErr: console.log,
+     var element = document.getElementById('output');
+     element.value = ''; // clear browser cache
+     return function(text) 
+     {
+        text = Array.prototype.slice.call(arguments).join(' ');
+        element.value += text + "\n";
+        element.scrollTop = 99999; // focus on bottom
+     };
+  })(),
+
+  printErr: function(text)
+  {
+     var text = Array.prototype.slice.call(arguments).join(' ');
+     var element = document.getElementById('output');
+     element.value += text + "\n";
+     element.scrollTop = 99999; // focus on bottom
+  },
   canvas: document.getElementById('canvas'),
   totalDependencies: 0,
   monitorRunDependencies: function(left)