Update translation files

Updated by Update PO files to match POT (msgmerge) hook in Weblate.

(cherry picked from commit addc81c398)

po/cs/abakus.po

@@ -4,7 +4,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2018-11-24 21:40+0100\n"
+"POT-Creation-Date: 2018-12-07 13:06+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -13,6 +13,18 @@ msgstr ""
 "Content-Type: text/plain charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
+#: _translatorinfo:1
+msgid ""
+"_: NAME OF TRANSLATORS\n"
+"Your names"
+msgstr ""
+
+#: _translatorinfo:2
+msgid ""
+"_: EMAIL OF TRANSLATORS\n"
+"Your emails"
+msgstr ""
+
 #: abakus.cpp:36
 msgid "abakus"
 msgstr ""