unregister bug fixed
registration confirmation email (need to include the correct masterclass url in email body!)
same without debugger
Merge branch 'select/release' of https://github.com/smartdec/edx-platform into iss2480
send email after teacher confirms masterclass registration
.
Merge branch 'select/release' of https://github.com/smartdec/edx-platform into iss2480
Update master_class_module.py

fixes, because after "+" there'll be no refresh
Merge pull request #36 from smartdec/iss2480

Iss2480