Fixes #1848 - Link non-zero report summaries to the equivalent report search
fixes #3051 - Adds rake task to import puppet environments
fixes #2260 Allow ERB in ENC global / class parameters

Adds code to parse the global & class parameters, and adds a setting (default true)
 to disable this if needed. Also has some tests.
Refs #2260 Refactor Foreman::Renderer and HostTemplateHelpers into SafeRender

Adds code to parse the global & class parameters, and adds a setting (default true)
to disable this if needed. Also has some tests.

Thanks to Dmitri Dolguikh for the contributions that were squashed in!