Initial commit of intro slides for Golang edu hackday
Add section on fetching and building present tool
Add section on installing and deploying Go apps
Change instructions to view presentation at 127.0.0.1 instead of localhost

The 'play' feature is not available when accessing the server
via localhost instead of by IP
Initial work on language section of the hackday talk
Add sections on structs, methods, interfaces and errors
Add slide on go fmt
Add concurrency slides
Add section on select statements
Add note about concurrency primitives
Add links to play.golang.org, tour.golang.org and standard lib packages
Update the slide dates
Add a demo which queries DuckDuckGo for images and then saves them locally as PNGs
Add placeholder for extra standard library notes