Querying capability for "history" of an asset

[TimDaub]

Parent: bigchaindb/org#17

In the case of one of our customers, they want to be able to see who is the current owner of a Right for a Manifestation.
pycoalaip should return them a list of owners and the respective transactions.

This ticket might be tightly coupled with the digital asset ones from BigchainDB.
If anyone that reads this sees overlap, please add more information to this ticket.