docs: Fix 0.18 upgrade nodes

 * Add gunicorn start/stop before/after the package upgrade
 * Add link to the 0.18 upgrade nodes in the Admin Guide
 * Fix copyright date

docs/admin-guide.rst

@@ -3077,6 +3077,7 @@ Upgrade Notes
    v0.15 -> v0.16 <upgrade/upgrade-0.16>
    v0.16.1 -> v0.16.2 <upgrade/upgrade-0.16.2>
    v0.16.2 -> v0.17 <upgrade/upgrade-0.17>
+   v0.17 -> v0.18 <upgrade/upgrade-0.18>
 
 
 .. _changelog-news:

docs/conf.py

@@ -8,7 +8,7 @@ reload(synnefo.versions)
 from synnefo.versions.app import __version__
 
 project = u'synnefo'
-copyright = u'2012-2015, GRNET'
+copyright = u'2012-2016, GRNET'
 version = __version__
 release = __version__
 html_title = 'synnefo ' + version

docs/upgrade/upgrade-0.18rc1.rst → docs/upgrade/upgrade-0.18.rst

-Upgrade to Synnefo v0.18rc1
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Upgrade to Synnefo v0.18
+^^^^^^^^^^^^^^^^^^^^^^^^
 
 Upgrade Steps
 =============
 
-The upgrade to v0.18rc1 consists of the following steps:
+The upgrade to v0.18 consists of the following steps:
+
+#. Stop gunicorn in all nodes
+
+   .. code-block:: console
+
+      # service gunicorn stop
 
 #. Upgrade Synnefo on all nodes to the latest version (0.18rc1)
 
@@ -28,3 +34,8 @@ The upgrade to v0.18rc1 consists of the following steps:
 
       astakos.host$ snf-manage user-check --all-users --suspend-deactivated --fix
 
+#. Start gunicorn
+
+  .. code-block:: console
+
+     # service gunicorn start