Implementation work in ClaimInserter

Change-Id: I3b11da8b2affb503647f93a461eabd4478d20537
Added SnakRowBuilder

Change-Id: If62b6ec914dced6a60a8b88ab303a6c170ed81f9
Work on implementation of SnakInserter

Change-Id: I5b3e930660c9782a1323f726d110f89d1b09f191