test-keyword: make it run under Windows
- don't cat symlink, content differs
- rewrite OS specific messages
- generate symlink with a bundle
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.