Causes presentations

Over the last year and a half at Causes I’ve given a number of tech and lightning talks. I’ve just spent some time putting them online under my "work" GitHub profile, https://github.com/ghurrell (my other profile containing non-work projects is https://github.com/wincent).

Update: Since writing this posted I’ve consolidated those GitHub accounts into one. The links below are therefore out of date, but the repos can all be found in the consolidated account.

In roughly reverse chronological order, they are: