BUG-670 : stateful07 now displaying LSP related errors in RESTCONF

Change-Id: Ia036d0fa962f919b47b772c8b04d45cc87afceef
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>
RSVP Error code in stateful02 updated actally reflect stateful02 draft.

Change-Id: I349910316608bbb95bccbe0fc43ddb5d88ca9042
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>