Switch lightbox to a plugin

[mmarol]

The quick lightbox I made does not have enough functionality. Switch it to a jQuery plugin to make it easier.

Things needed are:

• [x] arrows to cycle through images
• [ ] counter to show what image you're on
• [x] Esc key to exit lightbox

[mmarol]

Currently using https://github.com/feimosi/baguetteBox.js Should switch to potentially http://photoswipe.com/documentation/getting-started.html