Adding en_US to language selection in Preferences... was being ignored, but...

Adding en_US to language selection in Preferences... was being ignored, but should be in the list of supported languages

src/classes/info.py

@@ -65,7 +65,7 @@ OG = {"name": u"Olivier Girard", "email": "olivier@openshot.org", "website":"htt
 CP = {"name": u"Cody Parker", "email": "cody@yourcodepro.com", "website":"http://openshot.org/developers/cody_parker"}
 
 # Languages
-SUPPORTED_LANGUAGES = []
+SUPPORTED_LANGUAGES = ['en_US']
 for lang in os.listdir(os.path.join(PATH, 'locale')):
     if lang not in ["OpenShot"] and not os.path.isfile(os.path.join(PATH, 'locale', lang)):
         SUPPORTED_LANGUAGES.append(lang)