Have settings/common.py attempt to import a settings/aws.py to allow keys to be stored outside of github

settings/common.py

@@ -256,13 +256,6 @@ EBOOK_NOTIFICATIONS_JOB = {
 
 # by default, in common, we don't turn any of the celerybeat jobs on -- turn them on in the local settings file
 
-# Amazon credentials (for fps)
-AWS_ACCESS_KEY = ''
-AWS_SECRET_ACCESS_KEY = ''
-
-# Amazon FPS Credentials
-FPS_ACCESS_KEY = ''
-FPS_SECRET_KEY = ''
 
 # set -- sandbox or production Amazon FPS?
 AMAZON_FPS_HOST = "fps.sandbox.amazonaws.com"
@@ -270,3 +263,17 @@ AMAZON_FPS_HOST = "fps.sandbox.amazonaws.com"
 
 # amazon or paypal for now.
 PAYMENT_PROCESSOR = 'amazon'
+
+# now import AWS/FPS keys from a separate file, if it exists
+# Amazon FPS Credentials
+#FPS_ACCESS_KEY = ''
+#FPS_SECRET_KEY = ''
+
+try:
+    from regluit.settings.aws import FPS_ACCESS_KEY, FPS_SECRET_KEY
+except:
+    pass
+    
+
+
+