* Use ICON common package for configuration file and logging module
* Improve the output message of deploy command
* Success response : print transaction hash in response
* Error response : print response message
* Add command
* txresult : Get transaction result by transaction hash
* transfer: Transfer ICX coin
* Add network ID
* Check icx_sendTransaction method parameter 'nid' of tbears JSON-RPC API document
* 'Add -n', '--nid' option on deploy command.