Merge pull request #3 from hankim813/user-authentication-valerie-han

User authentication valerie han
added @user= current
Merge branch 'dev' of https://github.com/hankim813/flashcards into nickseed
because i say so
added database seed info
downcased
Merge pull request #10 from hankim813/nickseed

Nickseed
fix merge conflict on users controller