I rename this repo from *python* to *hen*

*hen* produces eggs, which will be the infant of other projects

and I can use the below if one day I want a egg:

    http://help.github.com/splitting-a-subpath-to-a-new-repo/

    peter@cow:~/x-github/hen$ git filter-branch  --subdirectory-filter youku/
    Rewrite 7edb766c7420249aa4301d9a2587e38714f566ef (2/2)
    Ref 'refs/heads/master' was rewritten
    peter@cow:~/x-github/hen$ ls