talks: fixed links to the blog and the wiki in 2014/state-of-the-gopher.slide
talks: fixed links to the blog and the wiki in 2014/state-of-the-gopher.slide

Change-Id: I3a8969e6a9313b53eb989e8e060d75ca30fe593b
Reviewed-on: https://go-review.googlesource.com/1878
Reviewed-by: Minux Ma <72d850dbd8858b791995463d8539b5a379577f28@golang.org>

Karthikvb/talks,Karthikvb/talks,Karthikvb/talks,Karthikvb/talks,Karthikvb/talks,Karthikvb/talks