The bulk of the changes in this PR are to do with adding a coreVersion element to the transform element in the T-Engine config. For more detail see the class header of CoreVersionDecorator.
* Support the use of coreVersion so that it is possible to upgrade pods in any order
* Moved the majority of the RequestParamMap static finals to alfresco-transform-model and added a new one: "includeCoreVersion" parameter.