added omniauth-facebook to gemfile
added omniauth gem
added omniauth.rb
added html page to initialize facebook JavaSacript SDK
added facebook login script to index page
added signuper app id to facebook script
facebook login button now appears on index page
changed evn name to facebook_app_id and facebook_app_secret
modified gitignore file
added facebook callback route; facebook login working correctly
seperating facebook javascriptsdk into seperate file
modifying database migration to modify database in sync with facebook login
deleted extra columns added by devise by my own mistake in master branch
added facebook auth columns to users table
facebook login with omniauth functional now
added more columns to users table, collecting more data from facebook
facebook image now shows after user login
added font-awesome, finished styling login and sign_up dialog
Merge branch 'omniauth-facebook'