Issue 565: MVStore: concurrently adding LOB objects (with MULTI_THREADED option) resulted in a NullPointerException. 

git-svn-id: http://h2database.googlecode.com/svn/trunk@5710 e6896862-9d19-0410-bfb3-e9fa5d50e656
MVStore: reduced dependencies to other H2 classes.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5711 e6896862-9d19-0410-bfb3-e9fa5d50e656