Change collection clear from PUT to POST.
diff --git a/stack/rest/src/main/java/org/apache/usergrid/rest/applications/CollectionResource.java b/stack/rest/src/main/java/org/apache/usergrid/rest/applications/CollectionResource.java
index c9174c1..9c09806 100644
--- a/stack/rest/src/main/java/org/apache/usergrid/rest/applications/CollectionResource.java
+++ b/stack/rest/src/main/java/org/apache/usergrid/rest/applications/CollectionResource.java
@@ -196,7 +196,7 @@
     }
 
 
-    @PUT
+    @POST
     @Path("{itemName}/_clear")
     @Produces({MediaType.APPLICATION_JSON, "application/javascript"})
     @RequireApplicationAccess