Update Changelog

Changelog

@@ -6,6 +6,25 @@ Unified Changelog file for Synnefo versions >= 0.13
 Since v0.13 most of the Synnefo components have been merged into a single
 repository and have aligned versions.
 
+.. _Changelog-0.14.8:
+
+v0.14.8
+=======
+
+Released: UNRELEASED
+
+Synnefo-wide
+------------
+
+* Update Django dependency to Django>=0.14,<0.15
+
+Cyclades
+--------
+
+* On VM creation, pass the hashmap of the image (pithosmap://) instead of the
+  image URL (pithos://). Access to the Pithos DB by Ganeti nodes is no longer
+  required.
+
 .. _Changelog-0.14.7:
 
 v0.14.7