CHEF-4643 Add cookbook versions to chef-client INFO and DEBUG logs
obvious fix
Update to allow boolean and numeric attributes
fix for checking choice array correctly.
update tests and add new tests for limiting attribute types
Create a method to get IO for live stream.
in Chef::Mixin::ShellOut
default to IPS packages on Solaris 5.11+

This behavior was correct until 7fa1ea5 flipped the logic.
add tests for solaris package providers
CHEF-4990
CHEF-4962, knife ssh will use a cloud atttribute for port if available.

The Azure cloud can have multiple nodes behind a single ip/fqdn
with different ssh ports for each. knife ssh should be able to
run on a search of nodes and use the correct ssh port for each.
Change ssh port attribute to use cloud, reorder priority.
Refactor node search for knife ssh.
ensure Chef::REST does not modify options in-place
Logic proposal for --force flag to delete the validators during client bulk delete.
Specs for --delete-validators options.
Convert --force option of knife client delete to --delete-validators to be consistent with knife client bulk delete.
Update CHANGELOG and DOC_CHANGES for --delete-validators option.
Spec for new option to ui.confirm.
Don't honor splay setting when sent USR1 signal.
Updates based on PR comments.