Added RBAC for REST APIs.

- admin role required for POST, PUT, DELETE & PATCH
- viewer role required for all other requests
- cleaned up all web.xml files for consistency and correctness

Change-Id: I33bad5cec0fb0f4285eed84173025b0a107b5aec
diff --git a/tools/package/runtime/bin/onos-compile-yang b/tools/package/runtime/bin/onos-compile-yang
index 22044b5..943716d 100755
--- a/tools/package/runtime/bin/onos-compile-yang
+++ b/tools/package/runtime/bin/onos-compile-yang
@@ -1,5 +1,4 @@
 #!/bin/bash
-
 #
 # Copyright 2015-present Open Networking Foundation
 #
@@ -44,4 +43,4 @@
 
 file=$(basename $yang)
 modelId="$(echo $file | sed -E 's/(.zip|.jar|.yang)$//g')"
-curl $URL?modelId=$modelId -F"file=@$yang"
+$curl $URL?modelId=$modelId -F"file=@$yang"