Upgrade js librairies

script/lightbox.js

@@ -1,5 +1,5 @@
 /*!
- * Lightbox v2.11.1
+ * Lightbox v2.11.3
  * by Lokesh Dhakar
  *
  * More info:
@@ -478,18 +478,13 @@
       //ADDED-END
 
       /*
-      SVGs that don't have width and height attributes specified are reporting width and height
-      values of 0 in Firefox 47 and IE11 on Windows. To fix, we set the width and height to the max
-      dimensions for the viewport rather than 0 x 0.
-
-      https://github.com/lokesh/lightbox2/issues/552
+      Since many SVGs have small intrinsic dimensions, but they support scaling
+      up without quality loss because of their vector format, max out their
+      size.
       */
-
       if (filetype === 'svg') {
-        if ((preloader.width === 0) || preloader.height === 0) {
           $image.width(maxImageWidth);
           $image.height(maxImageHeight);
-        }
       }
 
       // Fit image inside the viewport.
@@ -551,6 +546,7 @@
       self.$overlay
         .width($(document).width())
         .height($(document).height());
+
     }, 0);
     */
     if(e) {
@@ -723,7 +719,6 @@
     var KEYCODE_RIGHTARROW = 39;
 
     var keycode = event.keyCode;
-
     if (keycode === KEYCODE_ESC) {
       // Prevent bubbling so as to not affect other components on the page.
       event.stopPropagation();