Added json show
Removed Uiss class. Reworked devise views to use haml. Added cancan and two roles : professor and student. Added validation of email for proferssor account on before_save hook
Added profile edit
Removed static pages and added scaffold for topics
Added index and teachers action to users
Added subjects scaffold
Fixed abilities for teachers
Added comment system
Added messages model controller logic. Added validations for messages. Added resque
Clean up comments and format code
Added Resque background jobs also classes for downloading and set user's marks
Fixed resque scadual
Fixed bug with marks
Added searches for topics, subjects and users
Added background job to send unreaded emails, configured scadular
Added background job to send emails for new marks
installed twit-bootstrap and less
Added validations and fix bug for subjects and comments
Added conditional validation of pin and fac. number
Added paginator