Fix loading data from the server.
Fix restoring the correct language for code templates.
Fix deletion for text questions controller.
Fix deletion of coding questions.
Clean up the New Missions form.
Make the reminder email queuing function less dynamic and more statically typed.
Simplify the email logic a bit.
Implement creating a new mission.
Implemented editing and saving missions. Also fixed adding and removing tags.
Implemented the mission stats page.