add CC license to each lesson and refactor stylings for end of lesson info box
add study group to welcome email
add more descriptive error handling for welcome email sending
fix welcome email attachment issue
update gitignore
Modify .gitignore for PR
drop ruby-gemset from .gitignore
Merge pull request #19 from mach1010/dev

.Gitignore sans ruby-gemset
Merge remote-tracking branch 'origin/dev' into dev
add back in the config/application.yml
pull together rough skeleton
rough cut of legal page with rough cut legal agreements
break out agreements into separate paths
add referral param to bottom CTA button and slightly change paths to top ones
make footer actually stick to the foot for short pages
remove bootstrap stylings from devise forms
fix rails 4 change with devise reset password mailer
update devise form stylings (for the less common forms)
update study group page
update study group page