tweaks for the release
porting Community Policy from Dancer2
Merge branch 'policy' into devel

sawyer++
v1.3131_0

 [BUG FIXES]
 - Test was failing under perl 5.8.9. (GH#1057, Tom Hukins)
 - Don't get tripped by YAML::XS's readonly values. (GH#1070)

 [DOCUMENTATION]
 - Minor doc update to detail how to pass protocol information in Apache
   (GH#1079, Andy Beverley)
 - Add the Dancer policy POD.

 [ENHANCEMENTS]
 - Dancer::Template::TemplateToolkit now supports DATA-embedded templates.
   (GH#1061, Jochen Lutz)
 - New function 'param_array'. (GH#1055, Yanick Champoux)
 - D::Serializer::YAML and Dancer::Config can now use 'YAML::XS'.

 [MISC]
 - Add 'YAML' as a recommended dependency. (GH#1080)

 [STATISTICS]
 - code churn: 14 files changed, 348 insertions(+), 30 deletions(-)