Javadoc, spellcheck, formatting.

git-svn-id: http://h2database.googlecode.com/svn/trunk@4909 e6896862-9d19-0410-bfb3-e9fa5d50e656
Fix tests.

git-svn-id: http://h2database.googlecode.com/svn/trunk@4910 e6896862-9d19-0410-bfb3-e9fa5d50e656