Fixed test errors

Cleaned the damage caused by a faulty script run that created a test
error as described in
https://travis-ci.org/web2py/web2py/builds/158680015

applications/welcome/languages/plural-en.py

@@ -1,14 +1,14 @@
 # -*- coding: utf-8 -*-
 {
-'account': "['accounts']",
-'book': "['books']",
-'is': "['are']",
-'man': "['men']",
-'miss': "['misses']",
-'person': "['people']",
-'quark': "['quarks']",
-'shop': "['shops']",
-'this': "['these']",
-'was': "['were']",
-'woman': "['women']",
+'account': ['accounts'],
+'book': ['books'],
+'is': ['are'],
+'man': ['men'],
+'miss': ['misses'],
+'person': ['people'],
+'quark': ['quarks'],
+'shop': ['shops'],
+'this': ['these'],
+'was': ['were'],
+'woman': ['women'],
 }