bbatsov/prelude — pull request #539 by hbin (2014-05-17 05:41:05+00:00)
Title: Set the default directory

I switch to Mac OS from Ubuntu recently. I found that the `ido-find-file` which bound to `C-x C-f` always start with the root directory `/`, while in the Ubuntu it's the HOME directory `~/`. It not convenient for finding files.