enable dot notation lookup
enable dot notation lookup

This allows the SimpleStrings library to index deeper into the
translation table using dot notation, just like the built-in UI
translation.

Supersedes #850

Co-authored-by: Raphaël Pinson <0909132c360f4744d45149034acd6a9d36df8f8f@camptocamp.com>

puppetlabs/showoff,marrero984/showoff,binford2k/showoff,puppetlabs/showoff,marrero984/showoff,binford2k/showoff,puppetlabs/showoff,marrero984/showoff,binford2k/showoff,binford2k/showoff,marrero984/showoff,puppetlabs/showoff