Added comment id to comments in issue view
Link to comment id.
Set "language-html" as default prism highlighter.
Highlight all codeblocks in a comment, not just the first.
s/markup/html/ to be more compatible with Github/Pygments.
Merge branch 'master' into dev.webcompat.com

* master:
  s/markup/html/ to be more compatible with Github/Pygments.
  Highlight all codeblocks in a comment, not just the first.
  Set "language-html" as default prism highlighter.
  Link to comment id.
  Added comment id to comments in issue view