refactor operations.hpp into multiple files
expanding market operations
Merge pull request #110 from HackFisher/master

fix undo_state_test, your chain could be longer than my chain
updating price formatting
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
updating price representation in json and as string
Transaction signatures now require chain_id

This prevents the same transaction from being broadcast on multiple
networks.
updating fc
updating fc to fix osx build
shuffling delegates once per round rather than randomly selecting per block
Clean up CLI usability, get balance changes

Get balance now filters by account
Get balance now reports multiple asset balances
Updated signature of get balance