Cloud's platform as a service (PaaS) market hasn't even grown up yet, but already some people are saying it's doomed.A report by 451 Research Group's Senior Analyst Jay Lyman titled "Is PaaS becoming just a feature of IaaS?" codified a growing theory within the cloud computing industry that the PaaS market -- which provides a cloud-based application development environment -- will be consolidated into the two other major cloud models, infrastructure as a service (IaaS) and software as a service (SaaS).