fixes #6696 - API v2 - specify 'host' as the key in which parameters will be wrapped rather than Host::Base

(cherry picked from commit a2610e980c66663db2a200cedceb2a0b53918f3a)
refs #5190 - updating dependency on apipie-rails

so that we can mark apidoc'd routes as deprecated

(cherry picked from commit 1aa0013c9d8b83d1e4791328f880afd1b659bbf9)
i18n - extracting new, updating rails, pulling from tx