New Nova SEO release

**Bundle(s) related**: Nova SEO Bundle

Hi!

Are you planning to release a new version of Nova SEO Bundle any time soon?

There is a couple of commits which are needed, since without them, editing content with nova seo field type is crashing.

https://github.com/Novactive/NovaeZSEOBundle/compare/v7.1.1...master

Thanks!
