use pthreads again until we can verify the
stability of the new clone approach.
fix oops
put some old stuff back until we
figure out errno more.
Merge branch 'master' of git@github.com:gigablast/open-source-search-engine
added errno thread tester.
Merge branch 'master' of github.com:gigablast/open-source-search-engine
minor change to errno tester comment
errno test update
Revert "use scp not rcp for administrative cmds"

This reverts commit cc1d117e55e44b3f559a54511631d90da8f544e1.
Merge branch 'master' into diffbot
use -DPTHREADS not _PTHREADS_