Move creation of .redo directory.
Move creation of .redo directory.

This fixes "./redo clean test", since clean.do deletes .redo.

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