adding max height and width to image wrapper so they don't go huge on
mobile

updating grunt script so it can minify css
Merge branch 'develop' of github.com:obihann/EasyGallery into develop

* 'develop' of github.com:obihann/EasyGallery:
  updating grunt script so it can minify css
  adding max height and width to image wrapper so they don't go huge on mobile