5a3245f9d4
Currently, if a users gives invalid input type for available_themses, the logic ignores the input and reflect nothing in the config file, which can cause unexpected results. This ensures the given input is a hash value. This also adds validations to ensure only required values are included by the hash. Change-Id: I61aefe65e6218a79dce7a0633cb0ceb13b0021b4