Merge pull request #1 from arc90/part-2-communicating-seq-processes

Discussion on Communicating Sequential Processes (paper) by C.A.R. Hoare

.captains-log.md

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+#### Read & Talk @ arc90
+
+`session 1` => 7-16-13 => [out of the tar pit](https://github.com/arc90/read-and-talk/blob/master/comp_sci_fundamentals_and_history/out-of-the-tar-pit.pdf)
+
+`session 2` => 8-20-13 => [communicating sequential processes](https://github.com/arc90/read-and-talk/blob/master/concurrency/communicating-sequential-processes-paper.pdf)