remove protected_attributes gem
cleans some configurations
adds a workaround to make CanCan to work with rails 4
changes stories controller/model to use strong prameters
changes tags controller/model to use strong prameters
changes announcements controller/model to use strong prameters
updates acts_as_textcaptcha
changes comments controller/model to use strong prameters
changes ratings controller/model to use strong prameters
fixes scopes in story model
changes messages controller/model to use strong prameters
changes pages controller/model to use strong prameters
removes attr_acceible from rating model
removes attr_acceible from rating_log model
removes attr_acceible from role model
removes attr_acceible from tagging model