add some more translations
Portuguese translation update

Translation update from David, CT1DRB.

Signed-off-by: Nate Bargmann <n0nb@n0nb.us>
Dutch translation update

Translation update from Joop, PG4I.

Signed-off-by: Nate Bargmann <n0nb@n0nb.us>
Merge branch 'xdx-2.4.3' of https://github.com/dl1jbe/xdx into xdx-2.4.3

Updated German translation from Tom, DL1JBE.