nesquena/rabl — pull request #470 by LTe (2013-06-28 15:18:42+00:00)
Title: Template lookup when Padrino is defined fails

When we use custom context_scope and Padrino is defined rabl will try
execute 'resolve_template' method from Padrino on custom context_scope. We
need to check that context_scope has defined method 'resolve_template'

Issue related to https://github.com/LTe/grape-rabl/issues/17