[Petal] Petal-2.16 released

[Bruno Postle]

Petal 2.16 is on CPAN:

  http://search.cpan.org/dist/Petal/

Changes since 2.15
------------------

- decode_charset can now be other than utf-8 (William McKee)
- Included template language inheritance now works
- ${1} can now be used in templates
- Documentation fixes and new Cookbook pod (William McKee)
- Skip tests when optional modules not installed (William McKee)

-- 
Bruno