run-tests.py: use --prefix instead of --home
Some SUSE version don't like --home, they fail with:
"error: must supply either home or prefix/exec-prefix -- not both"
this is due to SUSE shipping a distutils.cfg conflicting with --home.
Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
See http://www.selenic.com/mercurial/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.