Start skeleton release notes for the next version.

Restructured so that:

* 'Upgrading' is limited to work that has to be done to upgrade from
  a current deployment to the new version.

* 'Changes' is a comprehensive, user-level description of changes and
  new features.

Conflicts:
	doc/sphinx/whats-new/changes-trunk.rst
	doc/sphinx/whats-new/index.rst
	doc/sphinx/whats-new/upgrading-trunk.rst

doc/sphinx/whats-new/changes-trunk.rst

@@ -13,4 +13,57 @@ merged, may be found in the `change log`_.
 
 .. _change log: https://github.com/varnishcache/varnish-cache/blob/master/doc/changes.rst
 
+varnishd
+========
+
+Parameters
+~~~~~~~~~~
+
+**XXX changes in -p parameters**
+
+Other changes in varnishd
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Changes to VCL
+==============
+
+VCL variables
+~~~~~~~~~~~~~
+
+**XXX new, deprecated or removed variables, or changed semantics**
+
+Other changes to VCL
+~~~~~~~~~~~~~~~~~~~~
+
+VMODs
+=====
+
+**XXX changes in the bundled VMODs**
+
+varnishlog
+==========
+
+**XXX changes concerning varnishlog(1) and/or vsl(7)**
+
+varnishadm
+==========
+
+**XXX changes concerning varnishadm(1) and/or varnish-cli(7)**
+
+varnishstat
+===========
+
+**XXX changes concerning varnishstat(1) and/or varnish-counters(7)**
+
+varnishtest
+===========
+
+**XXX changes concerning varnishtest(1) and/or vtc(7)**
+
+Changes for developers and VMOD authors
+=======================================
+
+**XXX changes concerning VRT, the public APIs, source code organization,
+builds etc.**
+
 *eof*

doc/sphinx/whats-new/upgrading-trunk.rst

 **Note: This is a working document for a future release, with running
 updates for changes in the development branch. For changes in the
 released versions of Varnish, see:** :ref:`whats-new-index`
- 
+
 .. _whatsnew_upgrading_CURRENT:
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -14,4 +14,20 @@ features are listed in "Changes". Explicitly mention what does *not*
 have to be changed, especially in VCL. May include, but is not limited
 to:**
 
+* Elements of VCL that have been removed or are deprecated, or whose
+  semantics have changed.
+
+* -p parameters that have been removed or are deprecated, or whose
+  semantics have changed.
+
+* Changes in the CLI.
+
+* Changes in the output or interpretation of stats or the log, including
+  changes affecting varnishncsa/-hist/-top.
+
+* Changes that may be necessary in VTCs or in the use of varnishtest.
+
+* Changes in public APIs that may require changes in VMODs or VAPI/VUT
+  clients.
+
 *eof*