Clarify USE_I18N settings

@jzoldak showed me that setting `USE_I18N = DEBUG` didn't actually accomplish
what I had hoped it would -- changing DEBUG didn't also change USE_I18N.
This pull request accomplishes what I was trying to accomplish, without being
quite so clever about it.

cms/envs/acceptance.py

@@ -79,6 +79,11 @@ DATABASES = {
 # Use the auto_auth workflow for creating users and logging them in
 MITX_FEATURES['AUTOMATIC_AUTH_FOR_TESTING'] = True
 
+# HACK
+# Setting this flag to false causes imports to not load correctly in the lettuce python files
+# We do not yet understand why this occurs. Setting this to true is a stopgap measure
+USE_I18N = True
+
 # Include the lettuce app for acceptance testing, including the 'harvest' django-admin command
 INSTALLED_APPS += ('lettuce.django',)
 LETTUCE_APPS = ('contentstore',)

cms/envs/common.py

@@ -221,7 +221,7 @@ LANGUAGE_CODE = 'en'  # http://www.i18nguy.com/unicode/language-identifiers.html
 # We want i18n to be turned off in production, at least until we have full
 # localizations. It's disconcerting for everything on the page to be in English
 # except for one or two strings like "login" which are correctly localized.
-USE_I18N = DEBUG
+USE_I18N = False
 USE_L10N = True
 
 # Localization strings (e.g. django.po) are under this directory

cms/envs/dev.py

@@ -9,6 +9,7 @@ from .common import *
 from logsettings import get_logger_config
 
 DEBUG = True
+USE_I18N = True
 TEMPLATE_DEBUG = DEBUG
 LOGGING = get_logger_config(ENV_ROOT / "log",
                             logging_env="dev",