By default set YOURLS_LANG to ''

git-svn-id: http://yourls.googlecode.com/svn@881 12232710-3e20-11de-b438-597f59cd7555
Nitpicking so text & translations display well.

git-svn-id: http://yourls.googlecode.com/svn@882 12232710-3e20-11de-b438-597f59cd7555
Damnit, other string to translate.

git-svn-id: http://yourls.googlecode.com/svn@883 12232710-3e20-11de-b438-597f59cd7555