Display the code passed to UaaException in UaaException.getMessage()

[odupuy]

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Make the logging more informative for the developer. Change simply the code from

    public UaaException(Integer statusCode, String error, String errorDescription) {
        super(statusCode, String.format("%s: %s", error, errorDescription));
        this.error = error;
        ...

to

    public UaaException(Integer statusCode, String error, String errorDescription) {
        super(statusCode, String.format("%s: %s [%s]", error, errorDescription, statusCode));
        this.error = error;
        ...

This will avoid painful debugging and work around.

Do the same for the other concrete classes extending AbstractCloudFoundryException aka ClientV2Exception (seems good), Clientv3Exception (seems good), UnknownCloudFoundryException (to fix)

[dmikusa]

Seems reasonable. Marking as an enhancement.