Markdown Tweaks
- Don't highlight lists anymore; it is a bit much.
- Highlight urls blue
- Don't color quotes like comments, instead highlight the blockquote marker
- Remove duplicate blockquote entry
Make similar md tweaks to tomorrow-morning
Diff color adjustment
- No need to set diff.insert and diff.delete to white and then their respective colors
Embedded source color fixes in HTML
Better tag highlight fix
Merge branch 'master' into ST3