Fix a bug where near the end of the synchronization, we could request and receive
the same block from both a peer we were synchronizing with and a peer we were
in normal operation with, and forward both to the node's delegate.
updating docs for dpos
Updated docs
updating docs
compile fix, signed_int -> fc::signed_int
Unit tests work again...

Initialize blockchain with 100 delegates
Updated wallet to randomly select delegates for the purpose of making
transfers.

Still using single trustee...
Merge branch 'master' of github.com:BitShares/bitshares_toolkit into upstream

Conflicts:
	libraries/blockchain/include/bts/blockchain/chain_database.hpp
	libraries/wallet/wallet.cpp