refactor runner. dont write to stdout/stderr directly. use reporter class.
refactor runner. dont write to stdout/stderr directly. use reporter class.

--HG--
extra : convert_revision : schettino72%40gmail.com-20091007042843-2m281ih7qtqn9g1a

swayf/doit,okin/doit,swayf/doit,okin/doit,swayf/doit,okin/doit