fixes #6432 - add validation for attributes missing :presence => true and remove duplicate validation messages 'can't be blank'

Fixes #6768 - Hammer set-parameter does not work

fixes #6430 - validate presence of location and organization for managed host if Settings are turned on

fixes #6618 - provide an indentation helper for provisioning templates

refs #4641 - update to functional test

fixes #4641 - Ensure default role only after save/update. Change default role permissions

fixes #6753 - fix API v1 examples in docs that show error messages by re-ordering functional tests

fixes #6749 - fix API v2 examples in docs that show error messages by re-ordering functional tests

Fixes #6518 - look up the BMC proxy via any subnet proxies, if present

Fixes #6633: Smart variables and smart class parameters can have the same parameter name