Update Rails to 4.1.4, other gems to most recent. Remove paperclip gem
Merge branch 'master' into upgrade_ruby_and_gems
Merging my changes to all branches.
* master:
  Change login to signin
  Change login and logout to signin/signout
  Use two spaces for indent instead of four
  get rid of the freakin' space myself
Merge pull request #36 from PhillyHealthDataRepo/upgrade_ruby_and_gems

Upgrade ruby and gems