Merge pull request #21 from MMisery/master

Image Reduction
fixed matt's horrendous bug
full switch to backbone routing
removed pinterest media button
took some vars out of global scope; use pushState
patched several bugs with last commit
rolled back html5 pushstate for now
resolves #23, getting arrows working
resolves #22, made right arrow visible again by setting a margin-right of a few percent
fixed bug that let arrows stay hidden too long
added explanatory comment
Updated where the README says the site is.
cleaned up next/previous routing code
fixed #25, just a simple call to parseInt in the right place
Merge branch 'master' of github.com:bepetersn/chicago-justice
fixed #27, switched to a local variable in populateSlides
fixed #29, and various bugs related to routing
reverted content structure to one html page per stage
fixed id of content containing element
mostly resolves #26, providing js behind the scenes to expand one html file into multiple slides