adds basic auth for staging site
adds database connection initializer
adds loader io verification file
updates puma procfile
adds caching gems
adds fragment caching
adds users index caching
touches user when user actions are taken
changes /:search/:term to /search/:search/:term
adds staging env
adds staging env to gemfile
moves modernizr and paging_keys into application.js
remove caching from dev
removes caching that would break everyones buttons