Provide feedback when scheduling emails
Display tags in mail list view
Fix bug that discards tags and html_body when sending an email to a single recipent
Use CKEditor for rich text editor
Display success or failure when sending a test email
Disable send preview button while waiting for response from server
Add new signups to global sequence list
First iteration of support for sequences
Update tests for sequence and add method to get all sequences
Add tests for mail
Support for sequences
Updated copy for signup emails
Assign groups to a sequec
Update compose form to support setting sequence and audience for mail messages
Add signups to the current active sequence
Create campaign for a sequence
Updated README file
README formatting
README formatting
README formatting