doc: add two I/O talks to "Talks" section

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6422056

doc/docs.html

@@ -139,6 +139,16 @@ before Go 1 and contain some examples that are no longer correct, but they are
 still of value.
 </p>
 
+<h3 id="go_concurrency_patterns"><a href="http://www.youtube.com/watch?v=f6kdp27TYZs">Go Concurrency Patterns</a></h3>
+<p>
+Concurrency is the key to designing high performance network services. Go's concurrency primitives (goroutines and channels) provide a simple and efficient means of expressing concurrent execution. In this talk we see how tricky concurrency problems can be solved gracefully with simple Go code.
+</p>
+
+<h3 id="meet_the_go_team"><a href="http://www.youtube.com/watch?v=sln-gJaURzk">Meet the Go team</a></h3>
+<p>
+A panel discussion with David Symonds, Robert Griesemer, Rob Pike, Ken Thompson, Andrew Gerrand, and Brad Fitzpatrick.
+</p>
+
 <h3 id="writing_web_apps"><a href="http://www.youtube.com/watch?v=-i0hat7pdpk">Writing Web Apps in Go</a><font color="red">*</font></h3>
 <p>
 A talk by Rob Pike and Andrew Gerrand presented at Google I/O 2011.