Missing capability in 10-rest-connector.xml file

This missing capability could probably cause problem and restconf isn't
started.

Change-Id: I6ea2dc6236948c7e77b9cddf7d015fcf4e5b7357
Signed-off-by: Jozef Gloncak <jgloncak@cisco.com>
Merge "Missing capability in 10-rest-connector.xml file"