refactored document structure
referred to usage and configurations documents
changed quick start description
added response log
add shell script to intall, start, update and help
moved moco.sh moco-shell
documented moco shell
prepared release note
added build and contributing sections in README
fixed plan link
fixed the README format
added socket shutdown runner borrowed from Moco Maven Plugin
used socket shutdown
fixed the example error based on current status.
added start shutdown option
added shutdown port option
warning for same port with default shutdown port
extracted Main to Bootstrap to make Main clean
extracted task structure for bootstrap
upgraded netty to 3.6.4