Started implementing getwork service.
Fixed IMiner.cs (all protocols doesn't need subscribe).
moved default web-server to port 81.
Testing getwork service & server.
Renamed Server.cs as SocketServer.cs as we'll be implementing a http server too.
Started implementing http server.
Re-organized folders.
Done implementing a basic http-server based mono's httplistener.
Done implementing a basic getwork server that can parse json-rpc 1.0 requests and reply back.
Merge pull request #30 from raistlinthewiz/feature/feature-getwork-service

Feature/feature getwork service