Add task model
Added Solution model and Solution admin. Also added Task admin
Added missing imports
Added missing is_exam attribute to the Task model
Added base AddSolutionForm
Added missing import for the AddSolutionForm
Addamissing migrations
Added email field to assignment.html
Limited email field visibility to hr and teacher
Add base solutions view
Merge branch 'certificates' of github.com:HackBulgaria/Odin into certificates