Add php to console debug function

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

includes/GlModelViewer.php

@@ -22,4 +22,11 @@ class GlModelViewer extends ImageHandler {
     }
   }
 
+  public static function console_log($data, $add_script_tags = false) {
+    $command = 'console.log('. json_encode($data, JSON_HEX_TAG).');';
+    if ($add_script_tags) {
+        $command = '<script>'. $command . '</script>';
+    }
+    echo $command;
+  }
 }