Add pipe response rewriting (#794)

limited to korap host by default. Configurable via kustvakt.conf.

Change-Id: Ifb0b6470a4b1fc6db79b3bb05443f6482f4b7ea8
diff --git a/src/test/resources/kustvakt-test.conf b/src/test/resources/kustvakt-test.conf
index d40c39f..a048478 100644
--- a/src/test/resources/kustvakt-test.conf
+++ b/src/test/resources/kustvakt-test.conf
@@ -31,6 +31,9 @@
 ## Cache
 cache.total.results.enabled = true
 
+# Pipe
+pipe.host=http://localhost
+
 # Default foundries for specific layers (optional)
 #
 default.foundry.partOfSpeech = tt