Poison __sync_fetch_and_add and __sync_add_and_fetch, wrote toku wrappers and windows equivalents
fix bug in toku_sync_fetch_and_(in|de)crement_int32 where it returned result instead of original

git-svn-id: file:///svn/toku/tokudb@20848 c7de825b-a66e-492c-adef-691d508d4ae1