Webpack and Swipeable thumbnails

Adds support for webpack for local development #586
Adds thumbnail swipe #452
Reduced overall bundle size by 12% #501

Bug fixes and enhancements

Fixes the following issues

#587 (non-passive event listener fix for react-swipeable)
#595 (Thumbnails should have their own width and height)
#599 (Remove preventDefaultTouchmoveEvent in favor of using css touchAction: pan-x)

Bug fixes and enhancements

Resolves the following issues

• Adds play pause refresh on slideInterval or slideDuration change #577
• Some css enhancement and fixes #544
• Fixes calling handleResize when component unmounts #498
• Mark original as not required for custom render methods #499
• Remove focus on current thumbnail and bullet #507

Fixes and enhancements

Fixes #518 and #558

Fixes

Fixes #533 and #519

Bug fixes

While playing reset slider timer when sliding left or right #483
Use srcSet instead of media for imageSet prop #490
Fix onscreenchange when not using browser fullscreen API #489
Fix onscreenchange for multiple galleries #493

Bug fixes

Fixes #479 #480

Improvement and bug fix

Add support for fullscreen src when in fullscreen mode #429
Fix transition when navigating between two slides #469

Improvement and bug fix

fixes #470

and add #467

Refactoring and improvements

Breaking changes

PROPS renamed:
onErrorImage => onErrorImageURL
disableArrowKeys => disableKeyDown

CSS class changes
image-gallery-image now on the img element and not its container

Improvements and bug fixes

• More a11y friendly
• eslint fixes
• onErrorImage should only be called once per load
• use svg icons instead of ionicons
• fix fullscreen and larger screen aspect ratio