Link to standard Markdown cheatsheet
Link to standard Markdown cheatsheet

Instead of the one that was being linked to, that described
a bunch of extensions to Markdown that MarkEdit does not support.

This is one of the bugs from #15.

njl/pycon,PyCon/pycon,osmfj/sotmjp-website,pyconjp/pyconjp-website,pyconjp/pyconjp-website,osmfj/sotmjp-website,njl/pycon,osmfj/sotmjp-website,smellman/sotmjp-website,Diwahars/pycon,njl/pycon,osmfj/sotmjp-website,smellman/sotmjp-website,Diwahars/pycon,PyCon/pycon,njl/pycon,PyCon/pycon,PyCon/pycon,Diwahars/pycon,Diwahars/pycon,pyconjp/pyconjp-website,smellman/sotmjp-website,smellman/sotmjp-website,pyconjp/pyconjp-website