* [NOD-131] Allow override of dnsseed by command line or config
* [NOD-131] Moved tor.go from connmgr to util/network, to prevent dependancy loop
* [NOD-131] Typo fix
* [NOD-131] Clarify description for --dnsseed cli flag
* [NOD-131] Removed redundant line that somehow got into go.sum
* [DEV-97] Moved github.com/daglabs/btcutil into github.com/daglabs/btcd/btcutil.
* [DEV-97] Updated Gopkg.toml to no longer refer to btcutil.
* [DEV-97] Renamed btcutil to util.