added auth before filter
skip before filter on access show
added testing login for capybara
added a test user for auth in capybara
removed email and cohort verification from spec
added login helper
added authentication specs
added a current user helper for testing
Merge branch 'auth'
fixed typo
added assignment of cohort upon signup
removed cohort selection from user edit
removed redundant github url
added production settings for github
fixed bug
added production app cred
add messages for creation of new cohort
add settings for signup email
configuration for actionmailer
Merge branch 'master' of https://github.com/sarahjanebland/cohesion