build: teach macdeploy the -translations-dir argument, for use with static qt
build: teach macdeploy the -translations-dir argument, for use with static qt

When QT is linked statically, macdeploy can't infer its paths. While plugins
and frameworks don't need to be packaged, translations still do (for now).

(cherry picked from commit 71941ce580cac1f727bf19ba3226ca55e27d29fe)

reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin