generating controller
adding actions code
adding views
adding documentation
adding courses controller
fixing indentations
adding courses documentation
adding validations
adding rest of the documentation
fixing indentations
syncing with master
syncing with master
fixing conflict after dev_database merge
syncing with master after assuty merge
Issue #204 Add int time in Solution Model
fixing reviewers comments
Issue #104 fixing a bug where a topic could be inserted with one field
Issue 104 adding a button to view topics of a course
Issue 104, fixing a bug
Issue 104, fixing schema