Changelog entry for 5.9.0

- Legacy-Id: 8802

changelog

@@ -1,3 +1,32 @@
+ietfdb (5.9.0) ietf; urgency=medium
+
+  * Merged in [8711] from rjsparks@nostrum.com:
+
+    Added functionality for management of group materials, focusing on groups
+    of type 'team':
+
+    - Simplifies managing the Abstract for uploaded group materials. Displays
+      the abstract on the groups materials page
+
+    - Provides SessionPresentation: a binding between Document and Session
+      objects, that tracks doc version.
+
+    - Adds helpers for finding upcoming sessions, and the most recent
+      SessionPresentations whose sessions have passed
+
+    - Generalizes the snippet concept (as a templatetage) used in the history
+      tab for use on other pages
+
+    - Adds a variant of the snippet that can be styled as an edit link
+
+    - Provides several ways to address sessions, using sequence, dates, group
+      acronyms, and day of week
+
+    - Adds a 'Materials Manager' Role
+
+ -- Henrik Levkowetz <henrik@levkowetz.com>  18 Dec 2014 21:29:43 +0000
+
+
 ietfdb (5.8.1) ietf; urgency=medium
 
    This is a bugfix release for 5.8.0; it adds one file which was missing