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
Reduce memory use by flushing buffers and periodically closing the zipfile
return HTML if Markdownify creates invalid links
Merge pull request #20 from benbalter/the-return-of-markdownify

Use Markdownify to convert HTML
Merge pull request #21 from ghelleks/oom-errors

Reduce memory use, props @ghelleks.
readme: fix logic and replace wp-config.php with wp-content, since that's more likely to cause problems
Update readme to reflect #21
Merge pull request #22 from scribu/patch-1

readme: fix phrase logic