shown within the UI use the '~' symbol whenever possible. This means
that paths from the settings file are now truly relative; change your
home directory, and the settings file will still work (it no longer
contains absolute path names).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1776 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba