from https://gist.github.com/justMoritz/229aaf402aa19a467caa0377f423e531 (I can't seem to figure out how to import it properly, so here it is manually ... )
FORKED FROM https://gist.github.com/thiagoeliasr/f5e546407e8db3c8b599
touchSwipe is required: http://labs.rampinteractive.co.uk/touchSwipe/demos/ Oh, and obviously Magnific (http://dimsemenov.com/plugins/magnific-popup/)