Add a notice recommends using Ubuntu 10.04 64bit to install cf-release jobs
Support p() and if_p() helper in template files

Now using Bosh::Common::TemplateEvaluationContext from the original BOSH to support these helpers.
Merge branch 'master' into run-post-install-hook-spike

Conflicts:
	lib/nise_bosh.rb
Fixed typo.