Exception for URI /restconf/operations/module_name:rpc ended with slash

If URI of type /restconf/operations/module_name:rpc ends with slash
character (/) then exception with HTTP return code 404 and text
"Identifier IDENTIFIER_NAME can't contain slash character (/). If slash is
part of identifier name then use %2F placeholder."

Change-Id: Idbed90515280b414c10d28dc608faeee24986a29
Signed-off-by: Jozef Gloncak <jgloncak@cisco.com>
Merge "Exception for URI /restconf/operations/module_name:rpc ended with slash"