redo-sh.do: prettier log messages.
redo-sh.do: prettier log messages.

Make it easier to see which shells fail/warn about what.

pombredanne/redo,dinkelk/redo-python,dinkelk/redo-python,pombredanne/redo,pombredanne/redo,dinkelk/redo-python,apenwarr/redo,apenwarr/redo,apenwarr/redo,rowhit/redo,rowhit/redo,pombredanne/redo,apenwarr/redo,rowhit/redo,rowhit/redo,dinkelk/redo-python