the underlying connection of a reader or command to be closed before the
reader or command itself. Added the proper logic to Close and dispose items
in CloseDBConnection. Readers and Connections need Close(), Commands need
Dispose(), in the order Reader, Command, Connection.
Also reinstated 80-column-friendly formatting
* First pass at applying the using(){} pattern to IDisposable objects. Always use the using pattern on IDisposable objects whenever possible, do not manually call .Close() or .Dispose() unless there is no other way to write the code. This pass mostly covers OpenSim.Data.MySQL, and should have no functional change (tests still pass)
schema, but can read the old ones for compatibility. It should not be used
to write to the old tables unless you know what you're doing!
This is untested and will probably not work.