added basic controllers and views for flashcards and flashcard_sets
messing around with seeding database
added flashcard data and added some styling
added devise
signed-in user can now sign out; added new CSV for countries
changed Chinese character font
changed some font and styling
fixed typos in seeds.rb
added home controller for index page
styled devise pages
made flashcard div clickable link
changed About sections
centered flashcard_sets div and seeded db for heroku app
testing heroku deployment
removed manifest file so that assets get compiled upon deployed
changed right_col font to KaiTi
removed 'forgot password' feature
removed password path
added sample flashcard and javascript
created new div for sample_flashcard