Adding in the ObjectNotExist waiter dsl as it comes in handy for pages in which we delete an object and attempt to use the resource on the same page.
Adding in the ObjectNotExist waiter dsl as it comes in handy for pages in which we delete an object and attempt to use the resource on the same page.

Change-Id: Ib3fe817122eebd19c26f0eb0476455009c9088d2

BoXHocK/aws-sdk-php,deviantintegral/aws-sdk-php,aws/aws-sdk-php,andythorne/aws-sdk-php,jeskew/aws-sdk-php,kmidev38/aws-sdk-php,MaxKlyukin/aws-sdk-php,ilons/aws-sdk-php,jeskew/aws-sdk-php,femans/aws-sdk-php,cjyclaire/aws-sdk-php,piotrpasich/aws-sdk-php,easybiblabs/aws-sdk-php,Avantians/aws-sdk-php,oswaldderiemaecker/aws-sdk-php