Added collection query rewrite according to availability.

Change-Id: I79d7fdf2564bb832bc59f6d7d3a311d0e5409d14
diff --git a/policy.conf b/policy.conf
index 4a6dfd2..a97ab98 100644
--- a/policy.conf
+++ b/policy.conf
@@ -1,9 +1,8 @@
 # type	id	name	description	condition	permissions
 
-virtualcollection	WPD15-VC	Wikipedia Virtual Collection	German Wikipedia 2015	public	read
-corpus	WPD15	Wikipedia	German Wikipedia 2015	public	read
-corpus	GOE	Goethe	Goethe corpus	public	read
-type	id	name	description	condition	permissions
+#virtualcollection	WPD15-VC	Wikipedia Virtual Collection	German Wikipedia 2015	public	read
+#corpus	WPD15	Wikipedia	German Wikipedia 2015	public	read
+#corpus	GOE	Goethe	Goethe corpus	public	read
 foundry	base	base	Base foundry	public	read
 foundry	dereko	dereko	DeReKo foundry	public	read
 foundry	corenlp	corenlp	CoreNLP parser	public	read