* Add waiter for AWSRegional
* Add support for WAF Regional
* Add support for regional waf web acl
* Remove set_trace, pep formatting
* Add paginator for regional_waf
* Change name of param for waf_regional
This is more in line with how AWS refers to the service. Additional
changes made to how client is called. Used ternary to reduce if
statements
* Change parameter name to waf_regional
* Add support for removal waf regional condition
* Change parameter from cloudfront to waf_regional
* Added state: absent waf rule
* Remove set_trace
* Add integration tests for waf regional
* WIP: adding region parameter to tests
* Add support for waf facts module
* Add region to waf regional integration tests
* Update security policy for waf regional testing
* Add type to documentation for waf_regional param
Consolidate waiters to a single file
* Add waiter message with token ID
* Add waiter
Add waiter for WAF change tokens
Working waiter for waf_condition module
Add support for waiters to waf_rule
* WAF data model refactor
* Fix ref to self.client
* Add custom waiters to aws_waf_web_acl
* Allow add/remove rule tasks to operate in parallel, then wait for their change tokens to complete
* Move waiter into run_func_with_change_token_backoff since it is generic to all WAF update operations
* Wait for deletes on waf_web_acl
* Remove always-wait
* Remove waiter retry catch
