Added API URL versioning.

Change-Id: I0000000000000000000000000000000000000000
diff --git a/full/src/main/resources/kustvakt.conf b/full/src/main/resources/kustvakt.conf
index d7fbf7d..0a1ddc3 100644
--- a/full/src/main/resources/kustvakt.conf
+++ b/full/src/main/resources/kustvakt.conf
@@ -12,6 +12,9 @@
 ldap.config = file-path-to-ldap-config
 
 # Kustvakt
+# multiple versions separated by space
+supported.api.version = v0.1 v1.0
+
 ## server
 server.port=8089
 server.host=localhost