* 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
