update translations for 6.3.0 rc3

and force-fix errors using pocheck

Change-Id: I19893b4702ce96c8850c43ee4aa0c2665a971e9f
(cherry picked from commit f7fd1330c8cfdefab2a8a61f0a53f171f7f2f130)

source/is/svtools/messages.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.libreoffice.org/enter_bug.cgi?product=LibreOffice&bug_status=UNCONFIRMED&component=UI\n"
 "POT-Creation-Date: 2019-05-31 14:54+0200\n"
-"PO-Revision-Date: 2019-05-24 13:00+0000\n"
+"PO-Revision-Date: 2019-07-19 06:31+0000\n"
 "Last-Translator: Sveinn í Felli <sv1@fellsnet.is>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: is\n"
@@ -13,8 +13,8 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "X-Accelerator-Marker: ~\n"
-"X-Generator: LibreOffice\n"
-"X-POOTLE-MTIME: 1558702850.000000\n"
+"X-Generator: Pootle 2.8\n"
+"X-POOTLE-MTIME: 1563517903.000000\n"
 
 #. To translators: tdf#125447 use no mnemonic in this string
 #: include/svtools/strings.hrc:26
@@ -26,7 +26,7 @@ msgstr "Afturkalla: "
 #: include/svtools/strings.hrc:28
 msgctxt "STR_REDO"
 msgid "Redo: "
-msgstr ""
+msgstr "Endurtaka: "
 
 #: include/svtools/strings.hrc:29
 msgctxt "STR_REPEAT"
@@ -4674,7 +4674,7 @@ msgstr "Til að marg-þráða útreikningar taki gildi, þá verður að endurr
 #: svtools/uiconfig/ui/restartdialog.ui:265
 msgctxt "restartdialog|reason_mscompatible_formsmenu"
 msgid "For restructuring the Forms menu, %PRODUCTNAME must be restarted."
-msgstr ""
+msgstr "Til að endurbyggja eyðublaðavalmyndina þarf að endurræsa %PRODUCTNAME."
 
 #: svtools/uiconfig/ui/restartdialog.ui:280
 msgctxt "restartdialog|label"