download link for each image
suppport for good old IE8
Merge branch 'master' of https://github.com/jnstr-io/simple-responsive-php-photo-album

* 'master' of https://github.com/jnstr-io/simple-responsive-php-photo-album:
  Update README.md
  Update README.md
  Update README.md
  Update README.md
updated readme