Merge pull request #56 from pferraro/3.0

Avoid use of PreparedStatement.addBatch(String) - not all databases allow it.
Merge pull request #57 from pferraro/3.0

Allow users to override logical name of channel.
Merge pull request #60 from pferraro/3.0

Fix NPE when previous coordinator is restarted.
Fix MySQL restore process - replace file pipe with writing file directly to the process output.
Merge stdout and stderr for debugging purposes.