Added API versioning backwards compability and tests.

Change-Id: I8a7b512bea67e07e449074a4d04c257b65ae1454
diff --git a/lite/src/main/resources/kustvakt-lite.conf b/lite/src/main/resources/kustvakt-lite.conf
index 79e2211..f0dd6b3 100644
--- a/lite/src/main/resources/kustvakt-lite.conf
+++ b/lite/src/main/resources/kustvakt-lite.conf
@@ -6,6 +6,15 @@
 krill.index.commit.auto = 500
 krill.index.relations.max = 100
 
+krill.namedVC=vc
+
+
+# Kustvakt
+
+current.api.version = v1.0
+# multiple versions separated by space
+supported.api.version = v1.0
+
 kustvakt.base.url=/api/*
 kustvakt.default.pos = tt
 kustvakt.default.lemma = tt