[dconf-editor] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit bf71b3d5fa55c6961579735232b53a92c1b5126c
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Feb 20 14:17:47 2020 +0100

    Update Polish translation

 po/pl.po | 61 ++++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 38 insertions(+), 23 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 8666601..52d1ddc 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -1,15 +1,15 @@
 # Polish translation for dconf-editor.
-# Copyright © 2012-2019 the dconf-editor authors.
+# Copyright © 2012-2020 the dconf-editor authors.
 # This file is distributed under the same license as the dconf-editor package.
-# Piotr Drąg <piotrdrag gmail com>, 2012-2019.
-# Aviary.pl <community-poland mozilla org>, 2012-2019.
+# Piotr Drąg <piotrdrag gmail com>, 2012-2020.
+# Aviary.pl <community-poland mozilla org>, 2012-2020.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: dconf-editor\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/dconf-editor/issues\n";
-"POT-Creation-Date: 2019-08-04 10:23+0000\n"
-"PO-Revision-Date: 2019-08-20 18:12+0200\n"
+"POT-Creation-Date: 2020-01-02 12:36+0000\n"
+"PO-Revision-Date: 2020-02-20 14:17+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -233,16 +233,16 @@ msgstr ""
 "Bezpośrednie modyfikowanie konfiguracji jest funkcją dla zaawansowanych "
 "użytkowników i może spowodować niepoprawne działanie programów."
 
-#: editor/ca.desrt.dconf-editor.appdata.xml.in:29
+#: editor/ca.desrt.dconf-editor.appdata.xml.in:30
 msgid "Browse the keys used by installed applications"
 msgstr "Klucze używane przez zainstalowane programy"
 
-#: editor/ca.desrt.dconf-editor.appdata.xml.in:33
+#: editor/ca.desrt.dconf-editor.appdata.xml.in:34
 msgid "Read keys descriptions and edit their values"
 msgstr "Opisy kluczy i modyfikowanie ich wartości"
 
 #. a translatable version of project_group
-#: editor/ca.desrt.dconf-editor.appdata.xml.in:48
+#: editor/ca.desrt.dconf-editor.appdata.xml.in:49
 msgid "The GNOME Project"
 msgstr "Projekt GNOME"
 
@@ -1280,26 +1280,41 @@ msgstr "Skopiowano do schowka"
 msgid "A graphical viewer and editor of applications’ internal settings."
 msgstr "Graficzna przeglądarka i edytor wewnętrznych ustawień programów."
 
-#. Translators: about dialog text
-#: editor/dconf-editor.vala:662
-msgid ""
-"Copyright © 2010-2014 – Canonical Ltd\n"
-"Copyright © 2017-2018 – Davi da Silva Böger\n"
-"Copyright © 2015-2019 – Arnaud Bonatti"
-msgstr ""
-"Copyright © 2010-2014 Canonical Ltd\n"
-"Copyright © 2017-2018 Davi da Silva Böger\n"
-"Copyright © 2015-2019 Arnaud Bonatti"
+#. Translators: text crediting a game author, seen in the About dialog
+#: editor/dconf-editor.vala:661
+msgid "Robert Ancell"
+msgstr "Robert Ancell"
 
-#. Translators: about dialog text; this string should be replaced by a text crediting yourselves and your 
translation team, or should be left empty. Do not translate literally!
+#. Translators: text crediting a game author, seen in the About dialog
+#: editor/dconf-editor.vala:665
+msgid "Arnaud Bonatti"
+msgstr "Arnaud Bonatti"
+
+#. Translators: text crediting a maintainer, seen in the About dialog
 #: editor/dconf-editor.vala:669
+msgid "Copyright © 2010-2014 – Canonical Ltd"
+msgstr "Copyright © 2010-2014 Canonical Ltd"
+
+#. Translators: text crediting a maintainer, seen in the About dialog
+#: editor/dconf-editor.vala:673
+msgid "Copyright © 2017-2018 – Davi da Silva Böger"
+msgstr "Copyright © 2017-2018 Davi da Silva Böger"
+
+#. Translators: text crediting a maintainer, seen in the About dialog; the %u are replaced with the years of 
start and end
+#: editor/dconf-editor.vala:677
+#, c-format
+msgid "Copyright © %u-%u – Arnaud Bonatti"
+msgstr "Copyright © %u-%u Arnaud Bonatti"
+
+#. Translators: about dialog text; this string should be replaced by a text crediting yourselves and your 
translation team, or should be left empty. Do not translate literally!
+#: editor/dconf-editor.vala:684
 msgid "translator-credits"
 msgstr ""
-"Piotr Drąg <piotrdrag gmail com>, 2012-2019\n"
-"Aviary.pl <community-poland mozilla org>, 2012-2019"
+"Piotr Drąg <piotrdrag gmail com>, 2012-2020\n"
+"Aviary.pl <community-poland mozilla org>, 2012-2020"
 
 #. Translators: about dialog text; label of the website link
-#: editor/dconf-editor.vala:675
+#: editor/dconf-editor.vala:690
 msgid "Page on GNOME wiki"
 msgstr "Strona na wiki projektu GNOME"
 
@@ -1310,7 +1325,7 @@ msgstr "O programie"
 
 #. Translators: when a change is requested, on a small window, entry of the menu of the "delayed settings 
button" that appears in place of the close button
 #. Translators: when there are pending changes, label of the "apply" button in the bottom bar, on large 
windows
-#: editor/dconf-headerbar.vala:114 editor/modifications-revealer.ui:86
+#: editor/dconf-headerbar.vala:114 editor/modifications-revealer.ui:87
 msgid "Apply"
 msgstr "Zastosuj"