Allow default alignment changes

Change-Id: I0815983f974c0a3d6919e973c65310ac30e93480
diff --git a/kalamar.conf b/kalamar.conf
index 56a6358..f5bed8e 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -69,7 +69,8 @@
     ## Adjust defaults
     # defaults => {
     #   items_per_page => 20,
-    #   context => '20-t,20-t'
+    #   context => '20-t,20-t',
+    #   alignment => 'left' # or 'right' or 'center'
     # }
   }
 }