Merge pull request #339 from ericchiang/case_insensitive_emails

db/migrate.go

db/migrate_test.go

db/migrations/0011_case_insensitive_emails.sql

db/migrations/assets.go

db/migrations/gen_assets.go

db/migrations/migrations.go

db/user.go

functional/repo/user_repo_test.go

server/email_verification.go

server/invitation.go

server/password_test.go

user/manager/manager.go

user/manager/manager_test.go

user/user.go