adding omniauth-github
omniauth columns to user
adding callback
adding omniauthable to user.rb
adding github login link
user self from omniauth
Merge branch 'master' of https://github.com/sprotocols/scientificprotocols into login-with-github
github keys in ENV
taking out name and adding nickname as username
adding nickname
hash rockets
secrets -> settings
Merge branch 'master' of https://github.com/sprotocols/scientificprotocols into login-with-github

Conflicts:
	db/schema.rb
taking out secrets
=>
Merge pull request #4 from sprotocols/login-with-github

Login with github