Add Email Verification
Use EEx for email templates
HTML emails
Set all current users as confirmed in migration
Add account confirm page
Simplify auth logic
Allow unconfirmed users to be recreated
Simplify email interface
Add local email adapter
Fix failing tests
Add test for emails
Fix SES email sending
add package upload success/failure templates

changes according to @ericmj's comments

remove <code> tags
Merge pull request #61 from JamesS237/new_email_templates

Add package upload success/failure templates
Fix email template paragraph
Merge pull request #65 from hexpm/email

Add email confirmation