Add a paragraph about difference between WebSocket and EventSource.
Just modify a little bit.
[auto] Merge from Websocket

    • #4898004 — Add a paragraph about difference between WebSocket and EventSource. (Raphaël Emourgeon, 2013-04-24)
    • #2ac29fb — Just modify a little bit. (Ivan Enderlin, 2013-04-24)

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Merge remote branch 'library-websocket/master'