Default to the CDK version, if not other specificationIdentifier is given

Change-Id: I4b65315ea1c0ea6ddf6d8f193adf1cd01dd76346
Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Ignore config files from Eclipse, which it now autogenerates from Maven details

Change-Id: Ia9c122b44632358545dfea9d93e6aa90d7481886
Signed-off-by: John May <john.wilkinsonmay@gmail.com>