Deprecated Kalamar.api configuration key in favour of Kalamar.api_path

Change-Id: Iee8c4fc4e67ef1326e533d22b816a516fa6ac056
diff --git a/kalamar.conf b/kalamar.conf
index ada47bb..fc6a94c 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -29,13 +29,14 @@
 my $api = 'http://localhost:9999/api/';
 {
   Search => {
-    engine => 'Kalamar::API',
-    # Kustvakt server:
-    api => $ENV{'KALAMAR_API'} // $api
+    engine => 'Kalamar::API'
   },
   Kalamar => {
-    # Kustvakt server:
-    api => $ENV{'KALAMAR_API'} // $api,
+    # Backend server path
+    api_path => $ENV{'KALAMAR_API'} // $api,
+
+    # Backend API version
+    # api_version => '1.0',
 
     # In case, the user management of Kustvakt
     # is used, make this a true value