Update readme with new make commands
Fix escaping issue in README
Merge pull request #28 from andylolz/readme-make

Update readme with new make commands
Prevent comments from being cropped out.
Removed bad prism references in templates
Merge branch 'comment_crop_prevention'
Removed static scratchblocks
Added scratchblocks as submodule instead of baked-in
Removed static scratchblock files
Merge branch 'scratchblocks_as_submodule'
Now including scratchblocks filter through git instead of statically embedding files
Fixed `clone` task. Now clears existing files correctly.
Style tweaks
Edited list styles in challenge boxes