better flag images and installer groups for the locales.

Flag images are from famfamfam

data/fr.mse-locale/locale

 mse version: 0.3.6
-installer group: locales
+installer group: translations/Français
 full name: Français
 version: 2008-04-01
 icon: fr.png

data/it.mse-locale/locale

 mse version: 0.3.6
-installer group: locales
+installer group: translations/Italiano
 full name: Italiano
 version: 2008-04-01
 icon: it.png

data/jp.mse-locale/locale

 mse version: 0.3.6
-installer group: locales
+installer group: translations/Japanese
 full name: Japanese
 version: 2008-04-01
 icon: jp.png

data/sp.mse-locale/locale

 mse version: 0.3.6
-installer group: locales
-full name: Spanish
+installer group: translations/Español
+full name: Español
 version: 2008-03-12
-icon: sp.png
+icon: es.png
 
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