MSP-11046
`ActiveSupport::OrderedOptions` automatically create an attribute for
any missing keys, so when `options.console.resource` was used it would
return `nil` instead of the erroring. The correct option name was
`options.console.resources` (note the pluralization).
MSP-10905
`Metasplot::Framework::Require.optionally` can be used to optionally
require a library and then issue a warning if the require fails or run a
block when it succeeds.