Remove dependency from Constants to SysProperties.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5795 e6896862-9d19-0410-bfb3-e9fa5d50e656
Remove dependency from Constants to SysProperties.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5796 e6896862-9d19-0410-bfb3-e9fa5d50e656