Use javaScriptSource to support CDN/alternative javascript paths Fix an issue the image would not resize when resizing the window smaller.
Replaced lazyloading script 'unveil' with 'lazysizes. Browser support is at least IE9, or Firefox, or Chrome. Provides a much smoother lazy-loading experience, and better client performance.
Fixed compatibility with add-on: [Tinhte] Image Attachment Optimization & CDN Support Hid spinner for no-script users. Images inside a Spoiler tag start loading once the spoiler button is clicked. Option to Force Lazy Loading for Spoiler contents.