Improved Geometry processing (issue 535).

git-svn-id: http://h2database.googlecode.com/svn/trunk@5334 e6896862-9d19-0410-bfb3-e9fa5d50e656
Bugfix

git-svn-id: http://h2database.googlecode.com/svn/trunk@5335 e6896862-9d19-0410-bfb3-e9fa5d50e656
Documentation.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5336 e6896862-9d19-0410-bfb3-e9fa5d50e656
Remove unused test for now.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5337 e6896862-9d19-0410-bfb3-e9fa5d50e656
Bugfix & improved test case.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5338 e6896862-9d19-0410-bfb3-e9fa5d50e656