Update default config file and Changelog

snf-pithos-app/Changelog

@@ -4,6 +4,8 @@ Changelog
 v0.9.7
 ------
 * Delegate feedback post request to Identity Provider (astakos)
+  New setting *PITHOS_SERVICE_TOKEN* is required to be set for feedback to 
+  work.
 * Change API calls to include public objects in shared by me
 
 v0.9.6

snf-pithos-app/conf/20-snf-pithos-app-settings.conf

@@ -29,3 +29,6 @@ PITHOS_BACKEND_BLOCK_PATH = '/usr/share/synnefo/pithos/data'
 
 # Disable if checksums are not required or are computed asynchronously by an external process.
 #PITHOS_UPDATE_MD5 = True
+
+# Service Token acquired by identity provider.
+#PITHOS_SERVICE_TOKEN = ''