Update all available URLs from HTTP to HTTPS

[homebysix]

It's important to use HTTPS for downloading software whenever possible in order to avoid the possibility of person-in-the-middle attacks (like the one that affected the Sparkle update framework in January 2016).

For this pull request, I detected and changed to HTTPS URLs automatically using my HTTPS Spotter script, and then tested all changed recipes manually to ensure exit codes of recipe run remains the same before/after the change.

This PR was submitted using Repo Lasso.

Thanks for considering!