p2p handling of inv for blocks and transactions
Merge remote-tracking branch 'bitpay/master' into feature/prototype-p2p
sync working for the thing version of the models
testing thin models
simple test for block thin  model
mocha test for transaction
fix API using the new thin object model
add time to block for sorting
Merge pull request #6 from matiu/feature/virtual-methods-to-pull-data-from-bitcoind

Feature/virtual methods to pull data from bitcoind -- Good!
Merge pull request #5 from maraoz/feature/prototype-p2p

p2p handling of inv for blocks and transactions