Remove duplicated "blog" in feeds
Push version bounds
Copy images dir
Remove https on feed root for now
Move slug function from Blog to Site
Copy all talk pdfs
Add Talks section to site
Add .dir-locals.el
Main: Add garage sale page
Navigation: Redundant $
Blog.Posts: Export blogPostCompiler temporarily
shell.nix: use <nixpkgs> again (building on 19.03)
Use newer monoidal-containers
Import site code from unified repo