sort out changelog to have separate entries for 1.1.1~ and 1.2.0~

diff --cc debian/changelog
index 48c3dc3b2ce17fd3b3cd31207a336e8b57408e48,b2011074b14d2cbcaa40f759ed87528dc8363ea8..88300ec7bea64b0f901c7e4f2b124f10486d45c0
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,14 -1,10 +1,19 @@@
-   * hosts/cadmium/update-suppression: really do not install empty file.
 +autopkgtest (1.2.0~) unstable; urgency=low
 +
 +  * remove spurious mkdir of empty variable $snap.
 +  * adt-xenlvm-*: support for swap, defaulting to 5G.
 +    This will break existing setups with insufficient LVM space.
 +  * adt-xenlvm-*: allow specification of LVM PVs to use.
++
++ --
++
+ autopkgtest (1.1.1~) unstable; urgency=low
+ 
    * adt-xenlvm-setup: new hooks for xmdomain config file.
+   * hosts/cadmium/update-suppression: really do not install empty file.
    * allow suppresspackages and blacklist lists to contain more
      information after some whitespace
-   * adt-openbugs-*: new machinery works with debbugs
+   * adt-openbugs-*: new machinery for working with debbugs.
    * hosts/magrathea/*: work-in-progress configuration
  
   -- Ian Jackson <ian@davenant.greenend.org.uk>  Fri, 26 Oct 2007 14:57:49 +0100