Back out Gunnar R|nning jdbc changes.

src/interfaces/jdbc/org/postgresql/Connection.java

src/interfaces/jdbc/org/postgresql/Field.java

src/interfaces/jdbc/org/postgresql/ObjectPool.java

src/interfaces/jdbc/org/postgresql/ObjectPoolFactory.java

src/interfaces/jdbc/org/postgresql/PGStatement.java

src/interfaces/jdbc/org/postgresql/PG_Stream.java

src/interfaces/jdbc/org/postgresql/jdbc1/Connection.java

...nterfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java

src/interfaces/jdbc/org/postgresql/jdbc1/Statement.java

src/interfaces/jdbc/org/postgresql/jdbc2/Connection.java

...nterfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java

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

src/interfaces/jdbc/org/postgresql/util/Serialize.java