Fouth (and final) phase of restructuring to add jdbc3 support.

 Modified Files:
 	jdbc/org/postgresql/Driver.java.in
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java
 	jdbc/org/postgresql/jdbc1/Jdbc1Connection.java
 	jdbc/org/postgresql/jdbc1/Jdbc1ResultSet.java
 	jdbc/org/postgresql/jdbc2/Jdbc2Connection.java
 	jdbc/org/postgresql/jdbc2/Jdbc2ResultSet.java
 Added Files:
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1ResultSetMetaData.java
 	jdbc/org/postgresql/jdbc1/Jdbc1DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc1/Jdbc1ResultSetMetaData.java
 	jdbc/org/postgresql/jdbc2/AbstractJdbc2DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSetMetaData.java
 	jdbc/org/postgresql/jdbc2/Jdbc2DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc2/Jdbc2ResultSetMetaData.java
 Removed Files:
 	jdbc/org/postgresql/jdbc1/DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc1/ResultSetMetaData.java
 	jdbc/org/postgresql/jdbc2/DatabaseMetaData.java
 	jdbc/org/postgresql/jdbc2/ResultSetMetaData.java