SCLAlertViewStyle - added defaultColorInt property
SCLAlertViewStyle - added defaultColorInt property

Added defaultColorInt property to the enum SCLlertViewStyle and
replaced occurrences of hard-coded color integers with these

felipecarreramo/SCLAlertView-Swift,felipecarreramo/SCLAlertView-Swift,vikmeup/SCLAlertView-Swift,vikmeup/SCLAlertView-Swift,felipecarreramo/SCLAlertView-Swift,vikmeup/SCLAlertView-Swift,perwyl/SCLAlertView-Swift,perwyl/SCLAlertView-Swift,vikmeup/SCLAlertView-Swift,perwyl/SCLAlertView-Swift