Refactored proposal. Enabled cancancan
Merge pull request #356 from hennevogel/proposals

Refactored proposal. Enabled cancancan
Delayed job integration done
Merge pull request #355 from gopesht/email_processing_in_background

Delayed job integration done
Adds migrations for call for papers dates updates and schedule in email settings
Email notification on cfp dates updates and schedule made public
Attributes for email templates rendered conditionally, more added