Added 'sidebar' content block and make login form part of Auth plugin

Change-Id: Iab9ef73bce0960336aa3821e6f4f390e96dca574
diff --git a/Changes b/Changes
index 46346ef..e384a95 100755
--- a/Changes
+++ b/Changes
@@ -3,6 +3,7 @@
         - Made Authentication/Authorization a separated Kalamar::Plugin::Auth
           (deprecated moth helpers from Kalamar::Plugin::KalamarUser).
         - Introduced abstract 'korap_request' helper.
+        - Introduce 'sidebar' content_block.
 
 0.30 2018-11-13
         - Rewrote backend: