Other: Updated translations. [skip ci]

lang/translations/es.po

@@ -0,0 +1,21 @@
+# Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+#
+#                                     !!! IMPORTANT !!!
+#
+#         Before you edit this file, please keep in mind that contributing to the project
+#                translations is possible ONLY via the Transifex online service.
+#
+#         To submit your translations, visit https://www.transifex.com/ckeditor/ckeditor5.
+#
+#                   To learn more, check out the official contributor's guide:
+#     https://ckeditor.com/docs/ckeditor5/latest/framework/guides/contributing/contributing.html
+#
+msgid ""
+msgstr ""
+"Language-Team: Spanish (https://www.transifex.com/ckeditor/teams/11143/es/)\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgctxt "A message that a file upload is in progress."
+msgid "Upload in progress"
+msgstr "Subida en progreso"

lang/translations/sr-latn.po

@@ -12,7 +12,7 @@
 #
 msgid ""
 msgstr ""
-"Language-Team: Serbian (Latin) (https://www.transifex.com/ckeditor/teams/11143/sr%40latin/)\n"
+"Language-Team: Serbian (Latin) (https://www.transifex.com/ckeditor/teams/11143/sr@latin/)\n"
 "Language: sr@latin\n"
 "Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"