Change doc from md to swim.
Remove test-more-bash as a submodule
Revamp the Makefile. Put manpages in ./man/man1/
git subrepo clone git@github.com:ingydotnet/test-more-bash ext/test-more-bash

{"local":
  {"subdir":  "ext/test-more-bash"
  ,"action":  "clone"}
,"remote":
  {"url":     "git@github.com:ingydotnet/test-more-bash"
  ,"branch":  "master"
  ,"commit":  "5893b1e"}
,"git-subrepo":
  {"version": "0.1.0"
  ,"commit":  "57b9507"
  ,"origin":  "git@github.com:ingydotnet/git-subrepo"}}
Fix tests
Clean up Makefile