* [NOD-140] Converted DNSSeeder to use btclog.
* [NOD-140] Converted MiningSimulator to use btclog.
* [NOD-140] Converted TxGen to use btclog.
* [NOD-140] Fixed log level in handlePanic in txgen.
* [NOD-140] Renamed logger to log everywhere. Removed superfluous flag-setting to go-log.
* [NOD-122] Handle each message in rpcclient with a separate goroutine
* [NOD-122] Stop listening to new blocks when not mining
* [NOD-122] Made RPC logging in mining simulator more explicit + some styling enhencement