fix some coding style
Merge branch 'master' into dev-20140322
remove pipe param from nn_fq_xx() and nn_lb_xx() apis
remove pipe param from nn_dist_xx() apis
Merge pull request #224 from pipul/dev-20140322

Adjust protocols/utils api
Garrett D'Amore added to AUTHORS file

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>