minirst: convert ``foo`` into "foo" upon display
This lets us markup many more occurances of inline literals since they
no longer look strange in the terminal output.
Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
See http://mercurial.selenic.com/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.