[skeleton i18n] Add PO-Revision-Date header to make emacs po-mode happy
Closes #3276389
--- a/skeleton/i18n/en.po Mon Oct 21 09:58:26 2013 +0200
+++ b/skeleton/i18n/en.po Tue Dec 10 11:36:04 2013 +0100
@@ -5,4 +5,5 @@
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: pygettext.py 1.5\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
--- a/skeleton/i18n/es.po Mon Oct 21 09:58:26 2013 +0200
+++ b/skeleton/i18n/es.po Tue Dec 10 11:36:04 2013 +0100
@@ -5,4 +5,5 @@
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: pygettext.py 1.5\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"
--- a/skeleton/i18n/fr.po Mon Oct 21 09:58:26 2013 +0200
+++ b/skeleton/i18n/fr.po Tue Dec 10 11:36:04 2013 +0100
@@ -5,4 +5,5 @@
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: pygettext.py 1.5\n"
"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\n"