Added models for absence, departments, leave credits and leave types.
Added new validation for company model. (for departments which is a new model)
Added validations for user model.
Added cucumber. Also added initial feature.
Added rspec and cucumber gems along with dependencies.
Added necessary libraries for rspec.
Added job title field for employee model.
Updated index page for new fields.
Some weird "changes".
Added factories.rb file for factory girl.
Added spec for employee model.