Workaround for some FileChannel problems

git-svn-id: http://h2database.googlecode.com/svn/trunk@5360 e6896862-9d19-0410-bfb3-e9fa5d50e656
Don't use the page store when using the MVStore table engine

git-svn-id: http://h2database.googlecode.com/svn/trunk@5361 e6896862-9d19-0410-bfb3-e9fa5d50e656
Remove test case that doesn't work for the MVStore

git-svn-id: http://h2database.googlecode.com/svn/trunk@5362 e6896862-9d19-0410-bfb3-e9fa5d50e656