Merge changes from 2216a to main (except possibly for the windows subdirectory, which Yoni will do separately).
2216a is no longer valid.
Refs #2216. [t:2216].
{{{
svn merge -r17301:18179 https://svn.tokutek.com/tokudb/toku/tokudb.2216a/src/tests
}}}



git-svn-id: file:///svn/toku/tokudb@18181 c7de825b-a66e-492c-adef-691d508d4ae1