* Support external event loops via non-blocking poll() alternative to run()

* Removed tabs

* Reinstated setting of timepoint in Loop::run()/poll() for consistency with libuv

* In Epoll version of Async::close(), delete itself as Async* instead of Poll*

* Star to the right

* Fixing implicit conversion warnings.

* Fixing missing parenthesis mistake in WebSocketProtocol and Networking.

fef1ee5

* Add onTransfer for clients on Hub class

* Fix indentation

* Asio, Libuv and Epoll are now inside uS namespace

* uv_sock_t, UV_READABLE, UV_WRITABLE are returned back to global namespace

* fix bug about multiple error emited for one connection which make resource management of userDate difficult.

* Minor style fixes

* restore the maxPayload option

* fix test

* move to Group

* clear pollQueue onEnd

* delete the ending httpSocket from the pollQueue, don't clear the queue

* lock/unlock mutex while updating changePollQueue

* remove all instances of the ending httpSocket

* add clearPendingPollChanges in NodeData, call from both HttpSocket and WebSocket