use Markdownify to convert HTML
Merge branch 'master' of https://github.com/benbalter/wordpress-to-jekyll-exporter into the-return-of-markdownify

Conflicts:
	jekyll-export-cli.php
	jekyll-export.php
	readme.md
resolve merge markup
return HTML if Markdownify creates invalid links
Merge pull request #20 from benbalter/the-return-of-markdownify

Use Markdownify to convert HTML