added some more missing files

applications/welcome/languages/plural-en.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+{
+# "singular form (0)": ["first plural form (1)", "second plural form (2)", ...],
+'account': ['accounts'],
+'book': ['books'],
+'is': ['are'],
+'man': ['men'],
+'person': ['people'],
+'shop': ['shops'],
+'this': ['these'],
+'was': ['were'],
+'woman': ['women'],
+}