FUNC Use protected methods 'paginate', 'order' and 'search' on the base controller to allow specialization for child controllers
FUNC Filter exercises by cognitive function on the view
STYLEFIX Expand thead/tbody to match tables width
BUGFIX Use resource class for  instead of the instance (due loading using pagination)
Style modifications over exercises list
Solve Morris loading for stats mock-up
BUGFIX Avoid rating collision with angular-ui (rename to 'myrating')