Add Cinder to ROOTWRAP_SUDOERS

 * Perform operations in lib/cinder
 * Use specific cidner-rootwrap file
 * Add root_helper to cinder.conf

Change-Id: Ibcae8bae2d06c9cbb4c41c39791e8dbdc8bbb0ac
diff --git a/stack.sh b/stack.sh
index 5d4ce9f..d0e2262 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1225,7 +1225,7 @@
     ROOTWRAP_SUDOER_CMD="$NOVA_ROOTWRAP *"
 fi
 
-# Set up the rootwrap sudoers
+# Set up the rootwrap sudoers for nova
 TEMPFILE=`mktemp`
 echo "$USER ALL=(root) NOPASSWD: $ROOTWRAP_SUDOER_CMD" >$TEMPFILE
 chmod 0440 $TEMPFILE
@@ -1495,7 +1495,7 @@
     if is_service_enabled swift3;then
         swift_auth_server="s3token "
     fi
-        
+
     # By default Swift will be installed with the tempauth middleware
     # which has some default username and password if you have
     # configured keystone it will checkout the directory.