improve usage message & simply code * Shorten help output for `--database` as the good option name is enough to explain. * Fix typo in help output for `--empty' * Simplyied code by removing `dest` and `metavar` for add_argument where it was not necessary because it was already the default if those parameters are not given. * Add Intevation and Magnus as rights holder and author for 2019 and 2020.

import gettext as py_gettext
import os

_base_dir = os.path.join(os.path.dirname(__file__), os.pardir)
share_dir = os.path.join(_base_dir, "share")


def gettext(message):
    modir = os.path.join(share_dir, "locale")
    t = py_gettext.translation("getan", modir, fallback=True)

    return t.gettext(message)