Archive tool: faster compression, add documentation

git-svn-id: http://h2database.googlecode.com/svn/trunk@5868 e6896862-9d19-0410-bfb3-e9fa5d50e656
Archive tool: simplify usage

git-svn-id: http://h2database.googlecode.com/svn/trunk@5869 e6896862-9d19-0410-bfb3-e9fa5d50e656
CSV tool: the rowSeparator option is no longer supported, as the same can be achieved with the lineSeparator.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5870 e6896862-9d19-0410-bfb3-e9fa5d50e656