[t:4871] use shared lib for {lock,range}_tree tests, speeds up build, and add prefixes to test names to use regexes better
also better osx/clang support, compile with -O4 now
and use the same compiler for the fractal tree and lzma


git-svn-id: file:///svn/toku/tokudb@44602 c7de825b-a66e-492c-adef-691d508d4ae1