Package cycles in spring-cloud-netflix-core

[dsyer]

The feign and metrics packages have cycles with their sub-packages.

[spencergibb]

When I looked at this, it looked like a non-trivial refactor. We may have to deprecate classes in one release and remove them in a subsequent one. Moving off of 1.2.x.

[spencergibb]

Dalston would be a good time to add the new classes in the right place that extend the old, deprecate the old and remove in Edgware