Fix for bug with the jdbc driver not properly working with binary cursors and

Fix for bug with the jdbc driver not properly working with binary cursors and
the V3 protocol.
 Modified Files:
  Tag: REL7_4_STABLE
 	jdbc/org/postgresql/Driver.java.in
 	jdbc/org/postgresql/core/BaseResultSet.java
 	jdbc/org/postgresql/core/BaseStatement.java
 	jdbc/org/postgresql/core/Field.java
 	jdbc/org/postgresql/core/PGStream.java
 	jdbc/org/postgresql/core/QueryExecutor.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSet.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java
 	jdbc/org/postgresql/jdbc1/Jdbc1CallableStatement.java
 	jdbc/org/postgresql/jdbc1/Jdbc1PreparedStatement.java
 	jdbc/org/postgresql/jdbc1/Jdbc1RefCursorResultSet.java
 	jdbc/org/postgresql/jdbc1/Jdbc1ResultSet.java
 	jdbc/org/postgresql/jdbc1/Jdbc1Statement.java
 	jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java
 	jdbc/org/postgresql/jdbc2/Array.java
 	jdbc/org/postgresql/jdbc2/Jdbc2CallableStatement.java
 	jdbc/org/postgresql/jdbc2/Jdbc2PreparedStatement.java
 	jdbc/org/postgresql/jdbc2/Jdbc2RefCursorResultSet.java
 	jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java
 	jdbc/org/postgresql/jdbc2/Jdbc2Statement.java
 	jdbc/org/postgresql/jdbc3/AbstractJdbc3ResultSet.java
 	jdbc/org/postgresql/jdbc3/Jdbc3CallableStatement.java
 	jdbc/org/postgresql/jdbc3/Jdbc3PreparedStatement.java
 	jdbc/org/postgresql/jdbc3/Jdbc3RefCursorResultSet.java
 	jdbc/org/postgresql/jdbc3/Jdbc3ResultSet.java
 	jdbc/org/postgresql/jdbc3/Jdbc3Statement.java
 	jdbc/org/postgresql/test/jdbc2/Jdbc2TestSuite.java
 	jdbc/org/postgresql/test/jdbc2/OID74Test.java
 Added Files:
  Tag: REL7_4_STABLE
 	jdbc/org/postgresql/test/jdbc2/ServerCursorTest.java