mozilla/rust — pull request #13924 by gmjosack (2014-05-03 23:59:32+00:00)
Title: Remove/Update dead links on Tasks guide.

Most of the links I've removed are for types that don't exist anymore with the exception of `SendReceiver` though I'm not sure how useful it is to link to that without the accompanying `Receiver` and `Sender` and I don't know how useful those links are when they're discussed below and `channel`/`sync_channel` is on the `std::comm` page already linked.