don't need modernizr or yepnope in solo page
rewrote gallery to be homepage
get token from python, so as to not hit rate limit
add pymongo to requirements
when creating anon gist, add to mongo
creating new public gist gets written to mongo
modify previous commit to only write to mongo when public
make sure fork is added to mongo only when public
fixed #67: can get into a 'fork a private gist' situation
finished mongo work - all public modifications get recorded