Update changelog with last merges (#6304, #10777, #11874).

debian/changelog

@@ -15,12 +15,18 @@ tails (2.7) UNRELEASED; urgency=medium
     - Fix multiarch support in Synaptic. (Closes: #11820)
 
   * Test suite
-    - Test incremental upgrades. (Closes: #6309)
+    - Add test for incremental upgrades. (Closes: #6309)
+    - Add tests for Icedove. (Closes: #6304)
     - Decrease timeout to Tails Greeter to speed up testing of branches
       where it is broken. (Closes: #11449)
     - Add a ID field to the remote shell responses to filter out
       unrelated ones. (Closes: #11846)
     - Reliabily wait for the Greeter PostLogin script. (Closes: #5666)
+    - Reliabily type the kernel command line in the prompt at the boot
+      menu to ensure the remote shell is started. (Closes: #10777)
+    - Remove DVDROM device when not used, to workaround QEMU/Libvirt
+      compatibility issue. (Closes: #11874)
+
 
  -- Tails developers <tails@boum.org>  Mon, 03 Oct 2016 23:06:51 +0200