v1.1.3

version 1.1.3 (#38)

Fixes:
 - event deletion removed from the scheduler
 - validations for lead revoking itself, dates, restrict update of some fields, max registrations.
 - reduce events code hash length.
 - delete event image key instead of replacing it from amazon s3 when an event is deleted.
 - some checks for certificate metadata/

New:
 - deploy script.
 - worker clusters
 - modular email service