fixed formatting of Dockerfile READMEs.  Double indents were needed since the commands were inside a list
Merge pull request #446 from rexposadas/dockerfile_readme_fix

fixed formatting of Dockerfile READMEs.  Double indents were needed sinc...
nsqd: added logs to IOLoop in protocol_v2

augmented error since all errors in IOLoop are being logged

removed augmenting sendErr since client already disconnected

fixed wording on error
Merge branch 'master' into ioloop_logging_362
Merge branch 'ioloop_logging_362' of github.com:rexposadas/nsq into ioloop_logging_362

Conflicts:
	nsqd/protocol_v2.go