add rdoc
Merge branch 'master' of github.com:daitss/describe

* 'master' of github.com:daitss/describe:
  jhove-1_10b3
  use release 2.4.0 for production code
  v2.4.0
  Jhove_10_b3 fix issue #20
  hot link to sha1 commit of prodcution code in README.md
  git commit sha1 in README
  change to task marsala a change to remote user and group-fix deploy