#6 transaction-type names to not match connector DTD

[Marc Prud'hommeaux]

DDResourceAdapter.java uses the following definitions
to compare agains the transaction-type element to
determine what type of transaction a resource adapter
supports:

public final static String NO_TRANSACTION =
"no_transaction";
public final static String LOCAL_TRANSACTION =
"local_transaction";
public final static String XA_TRANSACTION =
"xa_transaction";

However, per http://java.sun.com/dtd/connector_1_0.dtd
, these values should be NoTransaction,
LocalTransaction, and XATransaction, respectively.

This causes resource adapters that are not customized
specificly for Tyrex to not work correctly if they rely
on transactional behavior.