Utility classes should be hidden and classes which has only private constructors should be declared as final

[Furkan KAMACI]

Hi;

I've analyzed the source code of Stanbol. I've filed a Jira issue as
 STANBOL-1305 about utility classes should be hidden and classes which has
only private constructors should be declared as final. I've implemented a
patch for it and attached to .

Thanks;
Furkan KAMACI