Updated Facebook supported locales list for og:locale

Results: 1 new locale added, found 32 in the below list which are not in the FB list (not removed), 76 OK.
Merge branch 'master' of git://github.com/jdevalk/wordpress-seo into Facebook-og-locales

Conflicts:
	readme.txt
Merge pull request #104 from jrfnl/Facebook-og-locales

Facebook og locales