Create DBBrokerAccess.vb

The broker connection class
has been implemented in three ways to set the connection.
1 is to set the connection attributes from the config.ini file
2 is to use the method setConnectionAttributes() to one go settings
3 to set inidividual attributes one at a time
   eg. set the host name by setHostname()
       set the username by setUsername()
       set the password by setPassword()
       set the database by setDatabasename()
if any of the methods is used the others should be igonored