Avoid custom registration for the Json serializer

[fredericDelaporte]

Simplify the use of the JsonSerializer with the core distributed cache.

And enable the NHibernate documentation example to actually work.

[fredericDelaporte]

The async regen action is denied the right to push. I am manually re generating the async code.

[hazzik]

Bot did not have access to the repo

[hazzik]

Ooops:)

[fredericDelaporte]

Thanks.