upstream master into branch

themes/assets/assets.less

@@ -14,6 +14,7 @@
 @coverPageBanner          : url('/assets/coverPageBanner.svg');
 @horizontalRule           : url('/assets/horizontalRule.svg');
 @backCover                : url('/assets/backCover.png');
+@scriptBorder             : url('/assets/scriptBorder.png');
 
 // Watercolor Images
 @watercolor1  : url('/assets/watercolor/watercolor1.png');