marty effb5d4de0 make "OS" the default format for Path#str() ...

remove the old "OS" format option and introduce "UI" (which is the old
default)

2009-09-03 17:27:45 +12:00

..

NERD_tree.vim

make "OS" the default format for Path#str()

2009-09-03 17:27:45 +12:00