There is no need to store both LobStorageInterface and DataHandler as fields in ValueLobDb.
Simplify the code and only store DataHandler.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5100 e6896862-9d19-0410-bfb3-e9fa5d50e656
fix comment

git-svn-id: http://h2database.googlecode.com/svn/trunk@5101 e6896862-9d19-0410-bfb3-e9fa5d50e656
simplify code: getMaxLengthInplaceLob() returns int, not long

git-svn-id: http://h2database.googlecode.com/svn/trunk@5102 e6896862-9d19-0410-bfb3-e9fa5d50e656