Fix DBCP-234
The default values for readOnly, autoCommit and transactionIsolation are now taken from the JDBC driver. No calls to setReadOnly(), setAutoCommit() or setTransactionIsolation() will be made for a newly borrowed connection unless a default is explicitly configured (and the connection is currently using a different setting). 

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567033 13f79535-47bb-0310-9956-ffa450edef68
Remove unused code

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567037 13f79535-47bb-0310-9956-ffa450edef68
Fix auto boxing warnings

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567040 13f79535-47bb-0310-9956-ffa450edef68
Fix test failure

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567095 13f79535-47bb-0310-9956-ffa450edef68
Add failure messages to identify fails

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567181 13f79535-47bb-0310-9956-ffa450edef68
Additional tests to try and pin down Continuum test failure

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1567182 13f79535-47bb-0310-9956-ffa450edef68