Add tutorial section on choosing project version numbers that will work well with automated tools based on pkg_resources.
Add tutorial section on choosing project version numbers that
will work well with automated tools based on pkg_resources.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041476

pypa/setuptools,pypa/setuptools,pypa/setuptools