* Removed the previously deprecated 'accelerate' mode and all associated keywords and code.
* New simpler and more intuitive 'loop' keyword for task loops
* New simpler and more intuitive 'loop' keyword for task loops. The ``with_<lookup>`` loops will be deprecated in the near future and eventually removed.
* Added fact namespacing, from now on facts will be available under `ansible_facts` namespace (i.e. `ansible_facts.os_distribution`) w/o the `ansilbe_` prefix.
They will continue to be added into the main namespace directly, but now with a configuration toggle to enable this,
currently on by default, in the future it will be off.
### Deprecations
* Previously deprecated 'hostfile' config settings have been 're-deprecated' as previously code did not warn about deprecated configuration settings.
* The ``with_<lookup>`` loops are deprecated in favor of the new ``loop`` keyword
### Minor Changes
* added a few new magic vars corresponding to configuration/command line options: