update localization source files with `make -C locale`
update localization source files with `make -C locale`

* `make -C locale` updates all the sources
* `make -C locale compile` can compile the binaries, but the preferred way
  is `python3 setup.py compile_catalog`.

fdroidtravis/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,f-droid/fdroid-server,fdroidtravis/fdroidserver,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,f-droid/fdroid-server,f-droid/fdroid-server