Add sufficient ClientInfo support to our javax.sql.Connection implementation to make WebSphere happy.

git-svn-id: http://h2database.googlecode.com/svn/trunk@4902 e6896862-9d19-0410-bfb3-e9fa5d50e656
Issue 482: class LobStorageBackend$LobInputStream does not override method int avalaible() from InputStream


git-svn-id: http://h2database.googlecode.com/svn/trunk@4903 e6896862-9d19-0410-bfb3-e9fa5d50e656