For Windows, database URLs of the form "jdbc:h2:/test" where considered relative and did not work unless the system property "h2.implicitRelativePath" was used.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5657 e6896862-9d19-0410-bfb3-e9fa5d50e656
reduce unnecessary object creation in Timestamp routines

git-svn-id: http://h2database.googlecode.com/svn/trunk@5658 e6896862-9d19-0410-bfb3-e9fa5d50e656