Minor bug fixes. Replaced DateStyle support with ISO.

src/interfaces/jdbc/CHANGELOG

src/interfaces/jdbc/postgresql/Connection.java

src/interfaces/jdbc/postgresql/DatabaseMetaData.java

src/interfaces/jdbc/postgresql/Driver.java

src/interfaces/jdbc/postgresql/PG_Stream.java

src/interfaces/jdbc/postgresql/PreparedStatement.java

src/interfaces/jdbc/postgresql/ResultSetMetaData.java

src/interfaces/jdbc/postgresql/Statement.java

src/interfaces/jdbc/postgresql/errors.properties

src/interfaces/jdbc/postgresql/errors_fr.properties

src/interfaces/jdbc/postgresql/jdbc1/PreparedStatement.java

src/interfaces/jdbc/postgresql/jdbc1/ResultSet.java

src/interfaces/jdbc/postgresql/jdbc2/PreparedStatement.java

src/interfaces/jdbc/postgresql/jdbc2/ResultSet.java

src/interfaces/jdbc/postgresql/jdbc2/Statement.java

src/interfaces/jdbc/postgresql/util/PSQLException.java