installs an ``.egg-link`` pointing to the package's source directory, and
script wrappers that ``execfile()`` the source versions of the package's
scripts.  This lets you put your development checkout(s) on sys.path
without having to actually install them.  (To uninstall the link, use
use ``setup.py develop --uninstall``.)

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041080