Closes #174. Support for SupremeCourtJudgments in search module

For people that use hibernate it is a commonly known fact that you cannot use repositories with non-persistent classes, and a comment like this just make them wonder what is all about. I think it's not a best idea to put a comment like this in this class because it's related to the behaviour of a third party libraray - you proobably won't put here comments relating to jaxb, spring mvc and other which can be used with this class?