b65988fa5c
Add "enable_pwd_validator" variable to apply password validator settings when enabled in horizon values. Modify "PASSWORD_VALIDATOR" so as to enforce password requirements i.e., password must be at least eight characters in length and must include characters from at least two of these groupings: alpha, numeric, and special characters when "enable_pwd_validator" is enabled. Change-Id: Ia866feb875490d0bb40e820c6c32ee2cb6aa4c29