Add email to each post
Reorganize pelicanconf, add ditaa plugin.
Switch to ditaa-compatible diagram.
Move production details into publishconf.py
Fix plugin config

It helps when looking at code on github and wondering why it doesn't
work, to have the latest /version/ of said code installed.
Article whitespace
Add gravatar to article infobox
Basic related posts functionality
New blog post.
ignore './images'

This is probably a bad idea.  I should probably move the ditaa output
to a specific folder so I can have another images folder to keep
non-autogenerated images in.